Surname เพชรมณี (เพชรมณี 
, Phetmanee 
, Petmanee ) , globally, is quite a rare last name. The cognomen เพชรมณี is habitual in Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Also, เพชรมณี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพชรมณี, Petmanee | Thailand |
| Phetmanee | Germany, Thailand, United States, Malaysia, Laos |
| Petchmanee | United States, Thailand |
Pechamnan, Pechamnarn, Pechmanee, Pechmani, Petcamanee, Petchamanee, Petchmane, Petchmani, Petchomil, Pethmanee, Petmani, Phechmanee, Phetchamoon, Phetchimma, Phetchmanee, Phetchmnan, Phetmane, Phetmanh, Phetmani, Phetmorn, Phetrmani, and Phettmanee