Cognomen ถั่ว (Pea 
, Nutnum 
, Nutchamas ) , around the globe, is a common family name. The last name ถั่ว is habitual in Nicaragua, where it is a common surname, the Democratic Republic of the Congo, where it is quite a common surname, and Peru. Much less frequently, ถั่ว is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pea | Indonesia, Nicaragua, Italy, Peru, Democratic Republic of the Congo |
| Nutnum | Indonesia, Thailand |
| Nutchamas | Thailand |
Anut, Bean, Beanland, Beann, Beanpeth, Beean, Haricot, Inbean, Knuts, Nualts, Nust, Nutchaput, Nutd, Nutdanal, Nutdapron, Nuted, Nuting, Nutkanes, Nutniddtar, Nutpron, Nutsab, Nutsaba, Nutsahup, Nutsahus, Nutsana, Nutsap, Nutsapon, Nutsareen, Nutsasi, Nutsati, Nutsatid, Nutse, Nutsi, Nutsinee, Nutsinii, Nutsit, Nutsom, Nutsopa, Nutsrabua, Nutsron, Nutsti, Nuttays, Nutte, Nuttebase, Nutth, Nutting, Nutum, Pead, Peaing, Peason, Peaun, Thua, and Wadpea