Family name ทะวาย (Worry 
, ทะวาย 
, Thawai 
) , around the world, is a rare cognomen. The last name ทะวาย is habitual in Thailand, where it is a rare surname, Myanmar, and New Zealand, where it is a very rare surname. In absolute terms, it is commonest in Thailand, Myanmar, and the United States. Also, ทะวาย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Worry | Pakistan, Egypt, United States, Myanmar, Indonesia |
| ทะวาย | Thailand |
| Thawai | United States, India, Myanmar, Thailand |