Family name ไชยวงศ์สาย (ไชยวงศ์สาย 
) , all around the world, is a very rare surname. The cognomen ไชยวงศ์สาย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ไชยวงศ์สาย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ไชยวงศ์สาย | Thailand |