Heisler is a surname. Notable people with the surname include: Charlene Heisler (1961–1999), Canadian astronomer Charles L. Heisler, American steam locomotive designer Conrad Heisler, character in The Angry Hills (film) Gregory Heisler (born 1954), American photographer Jindřich Heisler, a Czech surrealist poet, friend of Toyen L. Heisler Ball (1861–1932), physician and Delaware Senator Mark Heisler, a sports writers and author Marcy Heisler (born 1967), musical theater writer and performer Mike Heisler, American comic book writer Todd Heisler (born 1972), American photojournalist Randy Heisler (born 1961), American Olympic discus thrower Stuart Heisler (1896–1979), film and television director See also Heisler locomotive, a geared steam locomotive Heisler Locomotive Works, the American locomotive construction firm Heisler Beer, a fictional brand of beer seen in movies and television shows Heisler Industries, makers of the Bail-O-Matic packaging equipment Klaus Heisler, a talking fish character in the American television series American Dad! Other Heissler