Bachiller is a Spanish surname. Notable people with the surname include:
Ángela Bachiller, Spanish city councillor for Valladolid Antonio Bachiller y Morales (1812–1889), Cuban lawyer, historian, and bibliographer Carlos Giménez Bachiller (born 2003), Spanish footballer Cesáreo Bachiller (1914–2004) was a Spanish footballer Iker Bachiller (born 2002), Spanish footballer Rafael Bachiller (born 1957), Spanish astronomer and science communicator