Frederick David Quillan (January 27, 1956 – September 12, 2016) was an American professional football player who was a center for the San Francisco 49ers of the National Football League (NFL) from 1978 through 1987.
He appeared in two Super Bowls: Super Bowl XVI and Super Bowl XIX, winning both.
He was a two-time Pro Bowl selection.
Quillan played college football for the Oregon Ducks.
This biographical article relating to an American football offensive lineman born in the 1950s is a stub.