Family name Muhammad Amin (Muhammad Amin 
, มูฮัมหมัดอามีน 
) , in all the world, is quite a rare cognomen. The surname Muhammad Amin is characteristic of Malaysia, where it is a rare surname, Indonesia, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in Indonesia, Malaysia, and Pakistan. Also, Muhammad Amin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muhammad Amin | Pakistan, Indonesia, Afghanistan, Malaysia, Saudi Arabia |
| มูฮัมหมัดอามีน | Thailand |