Martin J. Walsh (October 16, 1884 - March 27, 1915) was a Canadian amateur, later Professional Ice Hockey forward who played for the Ottawa Senators, winning 2 Stanley Cups in 1909 and 1911.
Marty Walsh played Hockey for Queen's University from 1902–1906 and in 1905 was a member of their Intercollegiate Union Championship Team that year. He turned professional for the 1906–07 season with the Canadian Soo of the International Professional Hockey League (IPHL), playing only 7 games due to a leg injury.
In 1907, he joined the Ottawa Senators and played for the club for five seasons, winning two Stanley Cups in 1909 and 1911. He was a high-scoring forward and in 1909, Marty scored 42 goals in 12 games. In 1911, he scored ten goals in a Stanley Cup challenge match against Port Arthur on March 16, in the Senators 14-4 victory, second only to Frank McGee's 14 in one game.
He was inducted into the Hockey Hall of Fame in 1962