Leonard Brodbeck Swormstedt (October 6, 1878 – July 19, 1964) was an American starting pitcher in Major League Baseball who played between 1901 and 1906 for the Cincinnati Reds (1901–1902) and Boston Americans (1906). Swormstedt batted and threw right-handed. He was born in Cincinnati, Ohio.

Len Swormstedt
Pitcher
Born: (1878-10-06)October 6, 1878 Cincinnati, Ohio, U.S.
Died: July 19, 1964(1964-07-19) (aged 85) Salem, Massachusetts, U.S.
Batted: Right Threw: Right
MLB debut
September 29, 1901, for the Cincinnati Reds
Last MLB appearance
October 6, 1906, for the Boston Americans
MLB statistics
Win–loss record	3–4
Earned run average	2.22
Strikeouts	22
Teams
Cincinnati Reds (1901–1902) Boston Americans (1906)

In a three-season career, Swormstedt posted a 3–4 record with 22 strikeouts a 2.22 ERA in eight appearances, including seven complete games, 10 walks, 58 hits allowed, and 65.0 innings of work.

Swormstedt died at the age of 85 in Salem, Massachusetts.