Cognomen มนุญปิจุ (มนุญปิจุ 
) , all over the world, is a very rare surname. The last name มนุญปิจุ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| มนุญปิจุ | Thailand |
| กำจร มนุญปิจุ TH (b. 1926) |
|