David Fairchild Weeks (July 31, 1874 – March 15, 1929) was an American football player, coach, and doctor. He was the first head football coach at Massachusetts Agricultural College—now the University of Massachusetts Amherst, holding the position for one season, in 1898, and compiling a record of 1–4–1. Weeks graduated in 1897 from the University of Pennsylvania and played quarterback for the Penn Quakers football team. Weeks was born in 1874 to Henry Martin Weeks, a doctor, and Mary Malvina Fairchild Weeks. He married Maude Adele Clampitt in Pennsylvania in 1902.