Montreal Shamrocks were a professional ice hockey team which played in the Amateur Hockey Association from 1896 to 1898, the Canadian Amateur Hockey League 1898-1905, the Eastern Canada Amateur Hockey Association 1905-1909 and both the Canadian Hockey Association and the National Hockey Association 1909-1910.

They won the Stanley Cup in March 1899 and 1900 and also won the Canadian Amateur Hockey League in the same years.