Fackler is a surname. Notable people with the surname include:
David Parks Fackler (1841–1924), American actuary John P. Fackler Jr. (1934–2023), American inorganic chemist Martin Fackler (1933–2015), American military officer, surgeon and wound ballistics expert Martin Fackler (journalist) (born 1966), American journalist and author Nik Fackler, American filmmaker and musician
See also Fackler, Alabama, unincorporated community in Jackson County