Cognomen เพลงสวัสดิ์ (เพลงสวัสดิ์ 
, Songswasdi, Musicsawad ) , all around the world, is a very rare surname. The surname เพลงสวัสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Musicsawat, เพลงสวัสดิ์, Musicsawad | Thailand |
Songsawad, Songsawas, Songsawasd, Songsawasdi, Songsawat, and Songsawatcahi