diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index 27c2d13fbd85..21bbb6c8a99c 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -822,6 +822,10 @@ pref("browser.dataFeatureRecommendations.enabled", false);
 // sets darkTheme data.
 pref("browser.theme.dark-private-windows", true);
 
+// Pref to control whether or not Private Browsing windows show up
+// as separate icons in the Windows taskbar.
+pref("browser.privateWindowSeparation.enabled", true);
+
 // Controls visibility of the privacy segmentation preferences section.
 pref("browser.privacySegmentation.preferences.show", false);
 
diff --git a/browser/components/BrowserContentHandler.sys.mjs b/browser/components/BrowserContentHandler.sys.mjs
index 6c156d170069..1ac7a09d2d71 100644
--- a/browser/components/BrowserContentHandler.sys.mjs
+++ b/browser/components/BrowserContentHandler.sys.mjs
@@ -322,7 +322,13 @@ function openBrowserWindow(
           Ci.nsILoadContext
         ).usePrivateBrowsing = true;
 
-        if (AppConstants.platform == "win") {
+        if (
+          AppConstants.platform == "win" &&
+          Services.prefs.getBoolPref(
+            "browser.privateWindowSeparation.enabled",
+            true
+          )
+        ) {
           lazy.WinTaskbar.setGroupIdForWindow(
             win,
             lazy.WinTaskbar.defaultPrivateGroupId
diff --git a/browser/components/BrowserGlue.sys.mjs b/browser/components/BrowserGlue.sys.mjs
index 81889db0409e..2f2aa0ac4904 100644
--- a/browser/components/BrowserGlue.sys.mjs
+++ b/browser/components/BrowserGlue.sys.mjs
@@ -2743,6 +2743,10 @@ BrowserGlue.prototype = {
         name: "ensurePrivateBrowsingShortcutExists",
         condition:
           AppConstants.platform == "win" &&
+          Services.prefs.getBoolPref(
+            "browser.privateWindowSeparation.enabled",
+            true
+          ) &&
           // We don't want a shortcut if it's been disabled, eg: by enterprise policy.
           lazy.PrivateBrowsingUtils.enabled &&
           // Private Browsing shortcuts for packaged builds come with the package,
diff --git a/widget/windows/nsWindow.cpp b/widget/windows/nsWindow.cpp
index ac393e8b0932..b06a34c2f5cc 100644
--- a/widget/windows/nsWindow.cpp
+++ b/widget/windows/nsWindow.cpp
@@ -993,7 +993,8 @@ nsresult nsWindow::Create(nsIWidget* aParent, nsNativeWidget aNativeParent,
     }
   }
 
-  if (aInitData->mIsPrivate) {
+  if (Preferences::GetBool("browser.privateWindowSeparation.enabled", true) &&
+      (aInitData->mIsPrivate)) {
     // Although permanent Private Browsing mode is indeed Private Browsing,
     // we choose to make it look like regular Firefox in terms of the icon
     // it uses (which also means we shouldn't use the Private Browsing