John H. Waterhouse (1870-1948) was an American businessman and politician who served as the 7th Mayor of North Adams, Massachusetts.

[3] In 1909 he defeated the Democratic party candidate, John H. Riley, by a majority of 262 votes.

[2][3] Waterhouse began his career in the wool industry working at a wool mill in Lawrence, Massachusetts.

[2] Waterhouse was, with Theodore Howard,[7] a member of the manufacturing firm of Waterhouse and Howard which, in 1905[7] leased the Eagle Mill[7] in North Adams and operated it as a wollen mill.

[7][8] Waterhouse was the operator of Blackinton Woolen Mill in North Adams from 1910 to its liquidation in 1939.