Cognomen Samsuddin (Samsuddin 
) , in the world, is a common surname. The surname Samsuddin is habitual in Malaysia, where it is quite a common surname, Brunei, and Oman, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Malaysia, India, and Bangladesh. More prevalently, Samsuddin is the forename as well as the last name.