Richard Merriwell Errickson (March 5, 1912 – November 28, 1999), nicknamed "Lief", was a professional baseball player who played pitcher in the Major Leagues in 1938–42 playing for the Boston Bees/Braves and Chicago Cubs.
A native of Vineland, New Jersey, Errickson attended Vineland High School. He died in Vineland in 1999, aged 87.