Martinson is an English surname. Notable people with the surname include:
Alfred Martinson, served in the United States Army during World War I
Allan Martinson, Estonian venture capitalist
Connie Martinson, American writer and television personality
Gloria Martinson, American philanthropist
Harry Martinson, Swedish sailor, author, and poet
Leslie H. Martinson, American television and film director
Magnus Martinson, Estonian footballer
Moa Martinson, Swedish author
Sergey Martinson, Russian eccentric comic actor
Steve Martinson, American hockey player
