John Henry Willcox (1827 in Savannah, Georgia – 1875 in Boston, Massachusetts) was an organist and organ maker educated at Trinity College (Connecticut). He spent the rest of his life as an organist in Boston.[1] While there, he was a partner in the organ building firm run by William Benjamin Dearborn Simmons. He was succeeded as organist and choir master at the Church of the Immaculate Conception by George Whiting.