John Wilkes Hammond (December 16, 1837 – March 26, 1922) was an American jurist who served as an associate justice of the Massachusetts Supreme Judicial Court from 1898 to 1914.

His enlistment ended in June 1863 and he resumed his teaching career in Wakefield, Massachusetts.

[1][3] In the fall of 1864, Hammond began studying law in the office of Sweetser & Gardner.

He opened a practice in Cambridge, Massachusetts and served on the city's common council and school committee.

On September 7, 1898, he was elevated to the Massachusetts Supreme Judicial Court by Governor Roger Wolcott.