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
• Zone d'aménagement concerté [fr] -- French wikilink to "Zone of concentrated rehabilitation"
• IATA airport code for York Landing Airport, in Manitoba, Canada
• zac, the ISO 639-3 code for the Ocotlán Zapotec, a language part of the Zapotec languages family