Cognomen כולתום (Kulthum 
, כולתום 
) , around the globe, is a rare surname. The last name כולתום is characteristic of Malaysia, where it is a rare surname, Nigeria, where it is a very rare surname, and Israel. Not in comparison with a country's population, it most frequently occurs in Malaysia, Nigeria, and Thailand. More prevalently, כולתום is the forename as well as the last name.