Surname มีวุฒิสม (มีวุฒิสม 
, Meewuttisom , Meevuttisom ) , globally, is a very rare cognomen. The cognomen มีวุฒิสม is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| มีวุฒิสม, Meevuttisom, Meewuttisom | Thailand |
| วิทยา มีวุฒิสม TH (b. 1949) |
|