Cognomen Irwan (Irwan 
, イルワン) , around the globe, is a common last name. The family name Irwan is habitual in South-eastern Asia, particularly Brunei, where it is quite a common surname, Indonesia, and Malaysia. Not in comparison with a country's population, it is the most numerous in South-eastern Asia, particularly Indonesia, Malaysia, and Singapore. More prevalently, Irwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irwan | Indonesia, Saudi Arabia, Malaysia, Singapore, United States |
| teuku irwan Indonesian politician, ID (b. 1957) |
|
|
| m. feri irwan Indonesian political candidate, ID |
|
|
| andi masyitha irwan researcher |
|
|
| ishak darryl irwan researcher |
|
|
| firas irwan Singaporean footballer, SG |
|
To, Chandra, Permana, Pratama, Gunawan, Nugraha, Effendi, Hidayat, Firdaus, Ibrahim, Setiadi, Wahyudi, Setiawan, Prasetyo, Darmawan, Hermawan, Iskandar, Yulianto, Syahputra, Kurniawan, Irwansyah, Widjaja, Sutanto, Sumarno, Susanto, Sah, Wan, Shah, Syah, Jaya, Hadi, Iwan, Ahmad, Putra, Lubis, Fauzi, Idris, Ridwan, Efendi, Ismail, Irawan, Wijaya, Maulana, Santoso, Sanjaya, Saputra, Ardiansyah, and Firmansyah