Cognomen Janpet (Janpet 
) , in the entire world, is a rare surname. The last name Janpet is habitual in Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Janpet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janpet | Malaysia, United Kingdom, India, Thailand, Philippines |
Ms, Manapong, Saowanit, Sirichok, Beerappa, Pearlada, Pitchaya, Phairitat, Thongkam, Wanwisa, Nuttakan, Mattarika, Siripapar, Rungnapha, Thanaporn, Natthakul, Nadthaporn, Chatchanok, Patchareeya, Nualanong, Natchanoon, Virasak, Sujinan, Jan, Ross, Panya, Darat, Napat, Sunisa, Suchat, Somjai, Amonrat, Soraya, Chetta, Buppha, Thawon, Wanpen, Sasinet, Suparat, Supawee, Sujaree, Anirut, and Prachumphon