In the entire world, พรรษวุฒิ (พรรษวุฒิ 
, Patsawut , Passawut ) is a rare primarily male, but very infrequently female forename. The given name พรรษวุฒิ is habitual in South-eastern Asia, particularly Thailand, where it is a rare primarily masculine, but very seldom female name. Much less frequently, พรรษวุฒิ is the last name as well as the forename.