Globally, มานะวัฒนกิจ (มานะวัฒนกิจ 
, Manawatanakij 
, Manawatthakit ) is an extremely rare unknown gender given name. Much more frequently, มานะวัฒนกิจ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| มานะวัฒนกิจ, Manawatthakit, Manawattanakij | Thailand |
| Manawatanakij | Thailand, United States |