Last name Iswan (Iswan 
) , worldwide, is quite a rare surname. The cognomen Iswan is characteristic of Indonesia, where it is a rare surname, Malaysia, and Sri Lanka. Likewise, Iswan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iswan | Singapore, Malaysia, India, Indonesia, Sri Lanka |
| m. nor iswan Indonesian politician (born 1982), ID (b. 1982) |
|