Lloyd Benjamin Spencer (May 15, 1890 – September 1, 1970) was a Major League Baseball outfielder. Spencer played for the Washington Senators in the 1913 season. In eight games, he had six hits in 21 at-bats for a .286 batting average. Spencer batted and threw left-handed.
Spencer was born in Patapsco, Maryland, and died in Finksburg, Maryland.
Spencer was the grandfather of former Major Leaguer Jim Spencer.