Louis Joseph Lucier (March 23, 1918 – October 18, 2014) was an American professional baseball player.

He played in Major League Baseball (MLB) as a pitcher for the Boston Red Sox and Philadelphia Phillies.

Lucier made his major-league debut on April 23, 1943, pitching for the Boston Red Sox in relief against the Philadelphia Athletics at Shibe Park, giving up one run and one hit in two innings of work.

Lucier handled 45 of 46 total chances successfully for a fielding percentage of .978, which was above the league average at the time.

[citation needed] From 2012 until his death in 2014, Lucier was the oldest living former Red Sox player.