BruinsmaBruinsma is a surname of West Frisian origin. It originated as a patronymic surname, "son of Bruin". Notable people with this surname include:Evan Bruinsma, American basketball playerKlaas Bruinsma (drug lord), Dutch drug dealerKlaas Bruinsma (translator), West Frisian translatorLiesette Bruinsma, Dutch Paralympic swimmerRobijn Bruinsma, Dutch theoretical physicistSikke Bruinsma, Dutch sports shooter