Aeschbacher is a surname. Notable people with the surname include:
Adrian Aeschbacher (1912–2002), Swiss pianist; son of Carl, brother of Niklaus Carl Aeschbacher (1886–1944), Swiss composer; father of Adrian and Niklaus Hans Aeschbacher (1906–1980), Swiss sculptor Marianne Aeschbacher (b. 1970), French former synchronized swimmer
Niklaus Aeschbacher (1917–1995), Swiss conductor; son of Carl, brother of Adrian Walther Aeschbacher (1901–1969), Swiss conductor and composer
See also Michael Aschbacher (born 1944), American mathematician with a similar name