Family name ติชัย (ติชัย 
, Tichai 
) , throughout the world, is a rare cognomen. The cognomen ติชัย is habitual in Czechia, where it is a rare surname, Germany, and Thailand, where it is a very rare surname. Much less frequently, ติชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ติชัย | Thailand |
| Tichai | Germany, Thailand, Czechia, India, China |