David Lawrence Davidson (born April 23, 1984) is a Canadian former professional baseball pitcher.

He played in Major League Baseball (MLB) for the Pittsburgh Pirates and Florida Marlins.

[3] Davidson played in the 2008 Summer Olympics, as a member of Canada's national team.

[7] On May 28, Davidson was claimed off waivers by the Baltimore Orioles and immediately optioned to Triple-A Norfolk.

[8] However, a shoulder injury was discovered, voiding the waiver claim, and he was sent back to Florida.