Geisler
Geisler is a surname. Notable people with the surname include:
- Alan Geisler (1931–2009), American food chemist, created a red onion sauce used on hot dogs in New York City
 - Anna Geislerová (born 1982), Czech actress
 - Baron Geisler (born 1982), Filipino actor, the son of a Filipina mother and a German American dad
 - Bruno Geisler (1857–1945), German ornithologist
 - Christian Geisler (1869–1951), Danish organist and composer
 - Donald Geisler (born 1978), Filipino taekwondo athlete of German-American descent
 - Ester Geislerová (born 1984), Czech actress and model
 - Hans Ferdinand Geisler (1891–1966), Luftwaffe commander during World War II
 - Ilse Geisler (born 1941), East German luger
 - Ladi Geisler (1927–2011), Czech musician, famous in post-war Germany
 - Norman Geisler (1932–2019), American Christian apologist, co-founder of Southern Evangelical Seminary outside Charlotte, North Carolina
 - Peter Geisler, German clarinettist
 - Robert Geisler (1925–1993), American politician
 - Rudolf Geisler (1911–1944), highly decorated Oberstleutnant in the Wehrmacht during World War II
 - Zuzana Geislerová (born 1952), Czech actress
 
See also
- James R. Geisler Middle School, public school located in Walled Lake, Michigan
 - Naturpark Puez-Geisler, nature reserve in the Dolomites in South Tyrol, Italy
 - Geissler (disambiguation)
 - Geiszler