Here are Gapps packages for Android 11 ROMS from various developers. BiTGApps comes as flashable zip files of packages as well as Google Installer APK. NikGapps, on the other hand, comes in various packages.
BiTGApps updated package. The latest release, tagged as R16, is now compatible with Android 11.
NikGapps package comes with a SetupWizard module. While this Gapps distribution may have some bugs, you can skip the module using nikgapps.config
or flashing the variant without SetupWizard. That should fix it.
Open Gapps is a very popular package when it comes to flashing custom ROMS. Keep looking for Android 11 Open Gapps packages from the source below. We will update the official or unofficial builds as soon as they are available.