Last name Tĩnh (Tĩnh 
) , throughout the world, is a rare cognomen. The cognomen Tĩnh is habitual in South-eastern Asia, particularly Vietnam, where it is a rare surname. Much less frequently, Tĩnh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tĩnh | Vietnam |
| giuse maria phạm năng tĩnh Roman Catholic bishop (1917-1974) (b. 1917) |
|