George Schley Stillman (December 13, 1879 – March 15, 1907) was an American football player and coach. He played college football at Yale University where he was selected as a first-team All-American at the tackle position in both 1899 and 1900. Stillman coached the 1901 Yale football team to a record of 11–1–1. Stillman died at age 27 after contracting typhoid fever.