Cognomen ยศะไชยรุจน์ (ยศะไชยรุจน์ 
) , globally, is an extremely rare family name. The family name ยศะไชยรุจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ยศะไชยรุจน์ | Thailand |