Cognomen Mohiddin (Mohiddin 
) , in the entire world, is quite a common surname. The surname Mohiddin is habitual in Brunei, where it is quite a common surname, Kuwait, where it is quite a rare surname, and United Arab Emirates. Measured by absolute frequency, the name is most common in India, Malaysia, and Saudi Arabia. Likewise, Mohiddin is the forename as well as the last name.