Throughout the world, มนนัทธ์ (มนนัทธ์ 
) is a very rare mostly girly, but infrequently male forename. The first name มนนัทธ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly girly, but uncommonly male name.
| VARIANT | COUNTRY |
|---|---|
| มนนัทธ์ | Thailand |
ปินนิล, and ประดับบุญเมือง