Family name วุฒิวงศ์ (วุฒิวงศ์ 
, Wuthiwong , Wuitiwong ) , in the entire world, is a rare cognomen. The cognomen วุฒิวงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, วุฒิวงศ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วุฒิวงศ์, Wuthiwong, Wuitiwong, Wuttivong | Thailand |
Vuthivong, Vuthiwong, Vutthiwong, Vuttiwong, Woothiwong, Wootiwong, Woottiwong, Wudhiwong, Wudthiwongse, Wutiwong, Wuttawong, Wutthiwong, Wuttiwong, and Wuttuwong