diff --git a/src/core/netplay.cpp b/src/core/netplay.cpp
index 142651644..47ec093d6 100644
--- a/src/core/netplay.cpp
+++ b/src/core/netplay.cpp
@@ -2060,7 +2060,7 @@ void Netplay::SetInputs(Netplay::Input inputs[2])
   }
 }
 
-bool Netplay::CreateSession(std::string nickname, s32 port, s32 max_players, std::string password)
+bool Netplay::CreateSession(std::string nickname, s32 port, s32 max_players, std::string password, int inputdelay)
 {
   s_local_session_password = std::move(password);
 
@@ -2068,10 +2068,7 @@ bool Netplay::CreateSession(std::string nickname, s32 port, s32 max_players, std
   // to have the same data, and we don't want to trash their local memcards. We should therefore load
   // the memory cards for this game (based on game/global settings), and copy that to the temp card.
 
-  // TODO: input delay. GGPO Should support changing it on the fly.
-  const s32 input_delay = 1;
-
-  if (!Netplay::Start(true, std::move(nickname), std::string(), port, input_delay))
+  if (!Netplay::Start(true, std::move(nickname), std::string(), port, inputdelay))
   {
     CloseSession();
     return false;
@@ -2086,15 +2083,14 @@ bool Netplay::CreateSession(std::string nickname, s32 port, s32 max_players, std
 }
 
 bool Netplay::JoinSession(std::string nickname, const std::string& hostname, s32 port, std::string password,
-                          bool spectating)
+                          bool spectating, int inputdelay)
 {
   s_local_session_password = std::move(password);
   s_local_spectating = spectating;
-
-  // TODO: input delay. GGPO Should support changing it on the fly.
-  const s32 input_delay = 1;
-
-  if (!Netplay::Start(false, std::move(nickname), hostname, port, input_delay))
+  Log_InfoPrint("____________");
+  Log_InfoPrintf("INPUT DELAY: %d", inputdelay);
+  Log_InfoPrint("____________");
+  if (!Netplay::Start(false, std::move(nickname), hostname, port, inputdelay))
   {
     CloseSession();
     return false;
diff --git a/src/core/netplay.h b/src/core/netplay.h
index f72d79c86..6918b82ab 100644
--- a/src/core/netplay.h
+++ b/src/core/netplay.h
@@ -31,8 +31,8 @@ enum : u8
   NUM_ENET_CHANNELS,
 };
 
-bool CreateSession(std::string nickname, s32 port, s32 max_players, std::string password);
-bool JoinSession(std::string nickname, const std::string& hostname, s32 port, std::string password, bool spectating);
+bool CreateSession(std::string nickname, s32 port, s32 max_players, std::string password, int inputdelay);
+bool JoinSession(std::string nickname, const std::string& hostname, s32 port, std::string password, bool spectating, int inputdelay);
 
 bool IsActive();
 
diff --git a/src/duckstation-qt/createnetplaysessiondialog.ui b/src/duckstation-qt/createnetplaysessiondialog.ui
index c6f8529e0..14a3ca781 100644
--- a/src/duckstation-qt/createnetplaysessiondialog.ui
+++ b/src/duckstation-qt/createnetplaysessiondialog.ui
@@ -10,7 +10,7 @@
     <x>0</x>
     <y>0</y>
     <width>496</width>
-    <height>235</height>
+    <height>267</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -92,14 +92,14 @@
        </property>
       </widget>
      </item>
-     <item row="2" column="0">
+     <item row="3" column="0">
       <widget class="QLabel" name="label_5">
        <property name="text">
         <string>Port:</string>
        </property>
       </widget>
      </item>
-     <item row="2" column="1">
+     <item row="3" column="1">
       <widget class="QSpinBox" name="port">
        <property name="minimum">
         <number>1</number>
@@ -129,14 +129,14 @@
        </property>
       </widget>
      </item>
-     <item row="3" column="0">
+     <item row="4" column="0">
       <widget class="QLabel" name="label_7">
        <property name="text">
         <string>Password:</string>
        </property>
       </widget>
      </item>
-     <item row="3" column="1">
+     <item row="4" column="1">
       <widget class="QLineEdit" name="password">
        <property name="maxLength">
         <number>128</number>
@@ -146,6 +146,16 @@
        </property>
       </widget>
      </item>
+     <item row="2" column="0">
+      <widget class="QLabel" name="label_8">
+       <property name="text">
+        <string>Input Delay:</string>
+       </property>
+      </widget>
+     </item>
+     <item row="2" column="1">
+      <widget class="QSpinBox" name="inputDelay"/>
+     </item>
     </layout>
    </item>
    <item>
diff --git a/src/duckstation-qt/joinnetplaysessiondialog.ui b/src/duckstation-qt/joinnetplaysessiondialog.ui
index 0a2e8d97e..8f50d0657 100644
--- a/src/duckstation-qt/joinnetplaysessiondialog.ui
+++ b/src/duckstation-qt/joinnetplaysessiondialog.ui
@@ -10,7 +10,7 @@
     <x>0</x>
     <y>0</y>
     <width>480</width>
-    <height>226</height>
+    <height>254</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -92,14 +92,14 @@
        </property>
       </widget>
      </item>
-     <item row="2" column="0">
+     <item row="3" column="0">
       <widget class="QLabel" name="label_5">
        <property name="text">
         <string>Port:</string>
        </property>
       </widget>
      </item>
-     <item row="2" column="1">
+     <item row="3" column="1">
       <widget class="QSpinBox" name="port">
        <property name="minimum">
         <number>1</number>
@@ -112,28 +112,28 @@
        </property>
       </widget>
      </item>
-     <item row="1" column="0">
+     <item row="2" column="0">
       <widget class="QLabel" name="label_6">
        <property name="text">
         <string>Hostname:</string>
        </property>
       </widget>
      </item>
-     <item row="1" column="1">
+     <item row="2" column="1">
       <widget class="QLineEdit" name="hostname">
        <property name="text">
         <string>localhost</string>
        </property>
       </widget>
      </item>
-     <item row="3" column="0">
+     <item row="4" column="0">
       <widget class="QLabel" name="label_7">
        <property name="text">
         <string>Password:</string>
        </property>
       </widget>
      </item>
-     <item row="3" column="1">
+     <item row="4" column="1">
       <widget class="QLineEdit" name="password">
        <property name="maxLength">
         <number>128</number>
@@ -143,6 +143,16 @@
        </property>
       </widget>
      </item>
+     <item row="1" column="0">
+      <widget class="QLabel" name="label_8">
+       <property name="text">
+        <string>Input Delay:</string>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1">
+      <widget class="QSpinBox" name="inputDelay"/>
+     </item>
     </layout>
    </item>
    <item>
diff --git a/src/duckstation-qt/netplaydialogs.cpp b/src/duckstation-qt/netplaydialogs.cpp
index 8b767bc14..15942cd46 100644
--- a/src/duckstation-qt/netplaydialogs.cpp
+++ b/src/duckstation-qt/netplaydialogs.cpp
@@ -14,6 +14,7 @@ CreateNetplaySessionDialog::CreateNetplaySessionDialog(QWidget* parent) : QDialo
 
   connect(m_ui.maxPlayers, &QSpinBox::valueChanged, this, &CreateNetplaySessionDialog::updateState);
   connect(m_ui.port, &QSpinBox::valueChanged, this, &CreateNetplaySessionDialog::updateState);
+  connect(m_ui.inputDelay, &QSpinBox::valueChanged, this, &CreateNetplaySessionDialog::updateState);
   connect(m_ui.nickname, &QLineEdit::textChanged, this, &CreateNetplaySessionDialog::updateState);
   connect(m_ui.password, &QLineEdit::textChanged, this, &CreateNetplaySessionDialog::updateState);
 
@@ -34,19 +35,22 @@ void CreateNetplaySessionDialog::accept()
 
   const int players = m_ui.maxPlayers->value();
   const int port = m_ui.port->value();
+  const int inputdelay = m_ui.inputDelay->value();
   const QString& nickname = m_ui.nickname->text();
   const QString& password = m_ui.password->text();
   QDialog::accept();
 
-  g_emu_thread->createNetplaySession(nickname.trimmed(), port, players, password);
+  g_emu_thread->createNetplaySession(nickname.trimmed(), port, players, password, inputdelay);
 }
 
 bool CreateNetplaySessionDialog::validate()
 {
   const int players = m_ui.maxPlayers->value();
   const int port = m_ui.port->value();
+  const int inputdelay = m_ui.inputDelay->value();
   const QString& nickname = m_ui.nickname->text();
-  return (!nickname.isEmpty() && players >= 2 && players <= Netplay::MAX_PLAYERS && port > 0 && port <= 65535);
+  return (!nickname.isEmpty() && players >= 2 && players <= Netplay::MAX_PLAYERS && port > 0 && port <= 65535 &&
+          inputdelay >= 0 && inputdelay <= 10);
 }
 
 void CreateNetplaySessionDialog::updateState()
@@ -59,6 +63,7 @@ JoinNetplaySessionDialog::JoinNetplaySessionDialog(QWidget* parent)
   m_ui.setupUi(this);
 
   connect(m_ui.port, &QSpinBox::valueChanged, this, &JoinNetplaySessionDialog::updateState);
+  connect(m_ui.inputDelay, &QSpinBox::valueChanged, this, &JoinNetplaySessionDialog::updateState);
   connect(m_ui.nickname, &QLineEdit::textChanged, this, &JoinNetplaySessionDialog::updateState);
   connect(m_ui.password, &QLineEdit::textChanged, this, &JoinNetplaySessionDialog::updateState);
   connect(m_ui.hostname, &QLineEdit::textChanged, this, &JoinNetplaySessionDialog::updateState);
@@ -79,21 +84,23 @@ void JoinNetplaySessionDialog::accept()
     return;
 
   const int port = m_ui.port->value();
+  const int inputdelay = m_ui.inputDelay->value();
   const QString& nickname = m_ui.nickname->text();
   const QString& hostname = m_ui.hostname->text();
   const QString& password = m_ui.password->text();
   const bool spectating = m_ui.spectating->isChecked();
   QDialog::accept();
 
-  g_emu_thread->joinNetplaySession(nickname.trimmed(), hostname.trimmed(), port, password, spectating);
+  g_emu_thread->joinNetplaySession(nickname.trimmed(), hostname.trimmed(), port, password, spectating, inputdelay);
 }
 
 bool JoinNetplaySessionDialog::validate()
 {
   const int port = m_ui.port->value();
+  const int inputdelay = m_ui.inputDelay->value();
   const QString& nickname = m_ui.nickname->text();
   const QString& hostname = m_ui.hostname->text();
-  return (!nickname.isEmpty() && !hostname.isEmpty() && port > 0 && port <= 65535);
+  return (!nickname.isEmpty() && !hostname.isEmpty() && port > 0 && port <= 65535 && inputdelay >= 0 && inputdelay <= 10);
 }
 
 void JoinNetplaySessionDialog::updateState()
diff --git a/src/duckstation-qt/qthost.cpp b/src/duckstation-qt/qthost.cpp
index c81861e1a..ed2f38ef0 100644
--- a/src/duckstation-qt/qthost.cpp
+++ b/src/duckstation-qt/qthost.cpp
@@ -1071,12 +1071,13 @@ void EmuThread::reloadPostProcessingShaders()
   System::ReloadPostProcessingShaders();
 }
 
-void EmuThread::createNetplaySession(const QString& nickname, qint32 port, qint32 max_players, const QString& password)
+void EmuThread::createNetplaySession(const QString& nickname, qint32 port, qint32 max_players, const QString& password, int inputdelay)
 {
   if (!isOnThread())
   {
     QMetaObject::invokeMethod(this, "createNetplaySession", Qt::QueuedConnection, Q_ARG(const QString&, nickname),
-                              Q_ARG(qint32, port), Q_ARG(qint32, max_players), Q_ARG(const QString&, password));
+                              Q_ARG(qint32, port), Q_ARG(qint32, max_players), Q_ARG(const QString&, password),
+                              Q_ARG(int, inputdelay));
     return;
   }
 
@@ -1084,7 +1085,7 @@ void EmuThread::createNetplaySession(const QString& nickname, qint32 port, qint3
   if (!System::IsValid())
     return;
 
-  if (!Netplay::CreateSession(nickname.toStdString(), port, max_players, password.toStdString()))
+  if (!Netplay::CreateSession(nickname.toStdString(), port, max_players, password.toStdString(), inputdelay))
   {
     errorReported(tr("Netplay Error"), tr("Failed to create netplay session. The log may contain more information."));
     return;
@@ -1092,17 +1093,18 @@ void EmuThread::createNetplaySession(const QString& nickname, qint32 port, qint3
 }
 
 void EmuThread::joinNetplaySession(const QString& nickname, const QString& hostname, qint32 port,
-                                   const QString& password, bool spectating)
+                                   const QString& password, bool spectating, int inputdelay)
 {
   if (!isOnThread())
   {
     QMetaObject::invokeMethod(this, "joinNetplaySession", Qt::QueuedConnection, Q_ARG(const QString&, nickname),
                               Q_ARG(const QString&, hostname), Q_ARG(qint32, port), Q_ARG(const QString&, password),
-                              Q_ARG(bool, spectating));
+                              Q_ARG(bool, spectating), Q_ARG(int, inputdelay));
     return;
   }
 
-  if (!Netplay::JoinSession(nickname.toStdString(), hostname.toStdString(), port, password.toStdString(), spectating))
+  if (!Netplay::JoinSession(nickname.toStdString(), hostname.toStdString(), port, password.toStdString(), spectating,
+                            inputdelay))
   {
     errorReported(tr("Netplay Error"), tr("Failed to join netplay session. The log may contain more information."));
     return;
@@ -2243,11 +2245,11 @@ int main(int argc, char* argv[])
         params->override_fast_boot = true;
         params->fast_forward_to_first_frame = true;
         g_emu_thread->bootSystem(std::move(params));
-        g_emu_thread->createNetplaySession(nickname, port, 2, QString());
+        g_emu_thread->createNetplaySession(nickname, port, 2, QString(), 0);
       }
       else
       {
-        g_emu_thread->joinNetplaySession(nickname, remote, port, QString(), false);
+        g_emu_thread->joinNetplaySession(nickname, remote, port, QString(), false, 0);
       }
     });
   }
diff --git a/src/duckstation-qt/qthost.h b/src/duckstation-qt/qthost.h
index cfebfe7ac..048756398 100644
--- a/src/duckstation-qt/qthost.h
+++ b/src/duckstation-qt/qthost.h
@@ -187,9 +187,10 @@ public Q_SLOTS:
   void setCheatEnabled(quint32 index, bool enabled);
   void applyCheat(quint32 index);
   void reloadPostProcessingShaders();
-  void createNetplaySession(const QString& nickname, qint32 port, qint32 max_players, const QString& password);
+  void createNetplaySession(const QString& nickname, qint32 port, qint32 max_players, const QString& password,
+                            int inputdelay);
   void joinNetplaySession(const QString& nickname, const QString& hostname, qint32 port, const QString& password,
-                          bool spectating);
+                          bool spectating, int inputdelay);
 
 private Q_SLOTS:
   void stopInThread();