diff --git a/pcsx2-qt/Debugger/CpuWidget.cpp b/pcsx2-qt/Debugger/CpuWidget.cpp
index 12bd590344..8ee097bf41 100644
--- a/pcsx2-qt/Debugger/CpuWidget.cpp
+++ b/pcsx2-qt/Debugger/CpuWidget.cpp
@@ -550,6 +550,7 @@ void CpuWidget::onFuncListContextMenu(QPoint pos)
 
 	connect(demangleAction, &QAction::triggered, [this] {
 		m_demangleFunctions = !m_demangleFunctions;
+		m_ui.disassemblyWidget->setDemangle(m_demangleFunctions);
 		updateFunctionList();
 	});
 
diff --git a/pcsx2-qt/Debugger/CpuWidget.h b/pcsx2-qt/Debugger/CpuWidget.h
index ef81034c56..771c97544b 100644
--- a/pcsx2-qt/Debugger/CpuWidget.h
+++ b/pcsx2-qt/Debugger/CpuWidget.h
@@ -73,6 +73,7 @@ public slots:
 	void updateFunctionList(bool whenEmpty = false);
 	void onFuncListContextMenu(QPoint pos);
 	void onFuncListDoubleClick(QListWidgetItem* item);
+	bool getDemangleFunctions() const { return m_demangleFunctions; }
 
 	void reloadCPUWidgets()
 	{
diff --git a/pcsx2-qt/Debugger/DisassemblyWidget.cpp b/pcsx2-qt/Debugger/DisassemblyWidget.cpp
index da83422fa4..e3f7c2f8f3 100644
--- a/pcsx2-qt/Debugger/DisassemblyWidget.cpp
+++ b/pcsx2-qt/Debugger/DisassemblyWidget.cpp
@@ -21,6 +21,7 @@
 #include "DebugTools/DisassemblyManager.h"
 #include "DebugTools/Breakpoints.h"
 #include "DebugTools/MipsAssembler.h"
+#include "demangler/demangler.h"
 
 #include "QtUtils.h"
 #include "QtHost.h"
@@ -699,6 +700,8 @@ inline QString DisassemblyWidget::DisassemblyStringFromAddress(u32 address, QFon
 	const bool isBreakpoint = CBreakPoints::IsAddressBreakPoint(m_cpu->getCpuType(), address) && !CBreakPoints::IsTempBreakPoint(m_cpu->getCpuType(), address);
 	const std::string addressSymbol = m_cpu->GetSymbolMap().GetLabelString(address);
 
+	const auto demangler = demangler::CDemangler::createGcc();
+
 	QString lineString("%1 %2  %3 %4  %5 %6");
 
 	lineString = lineString.arg(isBreakpoint ? "\u25A0" : " "); // Bp block ( ■ )
@@ -708,7 +711,7 @@ inline QString DisassemblyWidget::DisassemblyStringFromAddress(u32 address, QFon
 	{
 		// We want this text elided
 		QFontMetrics metric(font);
-		lineString = lineString.arg(metric.elidedText(QString::fromStdString(addressSymbol), Qt::ElideRight, (selected ? 32 : 8) * font.pointSize()));
+		lineString = lineString.arg(metric.elidedText(QString::fromStdString((m_demangleFunctions ? demangler->demangleToString(addressSymbol) : addressSymbol)), Qt::ElideRight, (selected ? 32 : 8) * font.pointSize()));
 	}
 
 	lineString = lineString.leftJustified(4, ' ') // Address / symbol
diff --git a/pcsx2-qt/Debugger/DisassemblyWidget.h b/pcsx2-qt/Debugger/DisassemblyWidget.h
index 0b7a83f73d..a238c84ec0 100644
--- a/pcsx2-qt/Debugger/DisassemblyWidget.h
+++ b/pcsx2-qt/Debugger/DisassemblyWidget.h
@@ -70,6 +70,7 @@ public slots:
 
 	void gotoAddress(u32 address);
 
+	void setDemangle(bool demangle) { m_demangleFunctions = demangle; };
 signals:
 	void gotoInMemory(u32 address);
 	void breakpointsChanged();
@@ -88,6 +89,8 @@ private:
 	std::map<u32, u32> m_nopedInstructions;
 	std::map<u32, std::tuple<u32, u32>> m_stubbedFunctions;
 
+	bool m_demangleFunctions = true;
+
 	DisassemblyManager m_disassemblyManager;
 
 	inline QString DisassemblyStringFromAddress(u32 address, QFont font, u32 pc, bool selected);