Keckler is a surname. Notable people with the surname include:
Heather Keckler (fl. 1980s–2000s), American beauty pageant contestant and dancer Joseph Keckler, American singer, musician, performing artist, and writer Luis María Kreckler (born 1954), Argentine diplomat Stephen W. Keckler, American computer scientist W. B. Keckler (born 1966), American poet