Last name อนุมา (Petty 
, อนุมา 
) , around the world, is a common cognomen. The cognomen อนุมา is characteristic of Bahamas, where it is quite a common surname, the United States, where it is quite a rare surname, and the United Kingdom. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia. Very seldom, อนุมา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petty | Australia, Indonesia, Canada, United States, United Kingdom |
| อนุมา | Thailand |