'''Rienstra''' is a surname. Notable people with the surname include:
*Ben Rienstra (born 1990), Dutch footballer *Chad M. Rienstra, American professor *Daan Rienstra (born 1992), Dutch footballer *Dick Rienstra (1941–2021), Dutch singer and actor *John Rienstra (born 1963), American football player *Allan A. Rienstra (born 1966), Canadian basketball player and reliability leader {{surname}}