Per Grundén
- Birthday: 1922-05-23
- Deathday: 2011-02-06
- Place of birth: Eskilstuna, Södermanlands län, Sweden
Per Gustaf Grundén, born 23 May 1922 in Eskilstuna, died 6 February 2011 in Trosa, was a Swedish opera singer and actor with an international career. Grundén is mainly known from the operetta context. He was also in Sven Delblanc's TV series Hedebyborna and played Wall-Enberg in the films about the Jönssonligan.
