John S. Cate (March 25, 1839 – October 11, 1906) was an American business executive and politician who served as a member of the Massachusetts House of Representatives, a member of the Board of Selectmen, and as Mayor of Everett, Massachusetts.
Cate was engaged in the manufacture of roofing materials, and was also involved in the real estate business.
From 1887 to 1889 Cate served as a member of the Everett, Massachusetts Board of Selectmen.
In the legislature of 1899 Cate served on the Committee on Street Railways.
[1] Cate died, on October 11, 1906, at his summer home in West Ossipee, New Hampshire.