Brian Lee Keyser (born October 31, 1966) is a retired Major League Baseball pitcher.
He played during two seasons at the major league level for the Chicago White Sox.
On May 15, 1996, Keyser picked up his only major league save during a 20-8 blowout White Sox win over the Brewers.
Keyser pitched the final four innings and saved the game for starter Wilson Alvarez.
This biographical article relating to an American baseball pitcher born in the 1960s is a stub.