Surname Kosidin (Kosidin 
) , around the globe, is a rare cognomen. The family name Kosidin is habitual in South-eastern Asia, particularly Singapore, where it is a rare surname, Indonesia, and Malaysia, where it is an extremely rare surname. Much less frequently, Kosidin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kosidin | Malaysia, Indonesia, Singapore |