ZAC

ZAC may refer to:


 * Zeitschrift für Antikes Christentum, an academic journal covering early Christianity and Patristics
 * Zinc-activated ion channel, a human protein
 * ZAC Browser (Zone for Autistic Children), a web browser for children and teenagers with autism and autism spectrum disorders
 * -- French wikilink to "Zone of concentrated rehabilitation"
 * IATA airport code for York Landing Airport, in Manitoba, Canada