Family name ชัยชนะ (Victory 
, ชัยชนะ , Chaichana 
) , across the world, is a common surname. The surname ชัยชนะ is characteristic of Thailand, where it is quite a common surname, Saint Vincent and the Grenadines, and Namibia, where it is quite a rare surname. In absolute terms, it is the most numerous in Thailand, Nigeria, and the United States. Likewise, ชัยชนะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Victory | Indonesia, Nigeria, United States, Thailand, Tanzania |
| ชัยชนะ | Thailand |
| Chaichana | Indonesia, United Kingdom, Australia, United States, Thailand |
| Winship | United Kingdom, Australia, Philippines, United States, Canada |
Triumnack, Triumphavong, Victoire, Victoremery, Victores, Victorie, Victorius, Victorya, and Victry