Showalter is a surname common in the United States, and is possibly an anglicized variant of the German Schulter ("shoulder"). A more likely source is from the German words schön wald, ("pretty forest"), referring to one who lived in such a place: a Schönwalder.
It may refer to:
Anthony Johnson Showalter (1858–1924), an American gospel music composer, teacher and publisher
Buck Showalter (b. 1956), a former professional baseball player and current manager of the Baltimore Orioles
Dennis Showalter, American historian
Daniel Showalter, was California miner and state legislator, duelist, secessionist, soldier for the Confederate States of America in Texas.
Don Showalter, a professor and former chairman of the Department of Chemistry at the University of Wisconsin–Stevens Point
Elaine Showalter (b. 1941), an American literary critic, feminist, and writer on cultural and social issues
Gena Showalter (b. 1975), an American Author in the genres of Contemporary Romance, Paranormal Romance, and Young Adult
Jackson Showalter (1860–1935), a 5-time U.S. Chess Champion
Joseph Baltzell Showalter (1851–1932), a Republican member of the U.S. House of Representatives from Pennsylvania
Mark R. Showalter (b. 1957), an American astronomer
Max Showalter (1917–2000), an American film, television and stage actor
Michael Showalter (b. 1970), an American actor, writer, and director and part of the sketch comedy trio Stella
William Showalter