Martinson is an English surname. Notable people with the surname include:
Alfred Martinson, served in the United States Army during World War IAllan Martinson, Estonian venture capitalistConnie Martinson, American writer and television personalityGloria Martinson, American philanthropistHarry Martinson, Swedish sailor, author, and poetLeslie H. Martinson, American television and film directorMagnus Martinson, Estonian footballerMoa Martinson, Swedish authorSergey Martinson, Russian eccentric comic actorSteve Martinson, American hockey player