Across the world, รตานันท์ (รตานันท์ 
) is a very rare largely feminine, but infrequently male forename. The first name รตานันท์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly female, but uncommonly male name. Very seldom, รตานันท์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| รตานันท์ | Thailand |