Martinson is an English surname of Scandinavian origin. Notable people with the surname include:
Allan Martinson, Estonian venture capitalist Connie Martinson (1932–2023), American writer and television personality Edwin Joseph Martinson (1899–1974), American politician Gloria Martinson, American philanthropist Harry Martinson (1904–1978), Swedish sailor, author, and poet Leslie H. Martinson (1915–2016), American television and film director Moa Martinson (1890–1964), Swedish author Sergey Martinson (1899–1984), Russian eccentric comic actor Steve Martinson (born 1959), American hockey player
See also Maris Martinsons, director of the Pacific Rim Institute for the Studies of Management and professor of management Māris Martinsons (director) Martinson's Beach, Saskatchewan, Canada