Family name มงคลวุฒิวงศ์ (มงคลวุฒิวงศ์ 
, Mongcolwutiwong , Mongkolvutiwong 
) , across the world, is a very rare cognomen. The cognomen มงคลวุฒิวงศ์ is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Thailand.
| VARIANT | COUNTRY |
|---|---|
| Mongcolwutiwong, Mongkolwuttiwong, มงคลวุฒิวงศ์ | Thailand |
| Mongkolvutiwong | Malaysia, Thailand |