Family name Ain (Ain 
, اين 
, Айн 
) , in the world, is a common surname. The surname Ain is habitual in South-eastern Asia, particularly Brunei, where it is quite a common surname, Malaysia, and Singapore, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Malaysia, Pakistan, and Indonesia. Likewise, Ain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ain | Indonesia, Malaysia, India, Pakistan, Myanmar |
| اين | Iran, Sudan, Algeria, Egypt, Iraq |
| Айн | Estonia, Russia, Ukraine |
| Hinnis | Turkey, United Kingdom, Bulgaria |
| casimiro ain dancer, AR (b. 1882) |
|
|
| gregory ain American architect, US (b. 1908) |
|
|
| resia ain Polish artist (b. 1910) |
|
|
|
martin eric ain American-born Swiss bassist (1967–2017), CH (b. 1967) |
|
| qurrotul ain Indonesian politician (born 1966 in Tangerang), ID (b. 1966) |
|
|
| justin ain soongie Roman Catholic clergyman (b. 1973) |
|
|
| beth ain American children's book author, US (b. 1975) |
|
|
| khusnul ain researcher (ORCID 0000-0002-8315-7067) |
|
|
| qurratul ain Indonesian political candidate, ID |
|
|
| zahra qurat ul ain researcher |
|
|
| aron ain American software technology executive, author, and CEO of Kronos Incorporated, US |
|
|
| kenneth b ain researcher |
|
|
| huma bader ul ain researcher (ORCID 0000-0001-8001-1743) |
|
|
| qurat ul ain researcher |
|
|
| rupasri ain researcher |
|