Atak
Atak or ATAK may refer to:

People
Burhan Atak, Turkish footballer
Hurşit Atak, Turkish weightlifter
Serkan Atak, Turkish footballer
Atak Lual, South Sudanese footballer
Atak Ngor, South Sudanese director

Military
Android Team Awareness Kit, a navigation and situational awareness app (or its similarly named and developed military counterpart: Android Tactical Assault Kit)
TAI/AgustaWestland T129 ATAK, a Turkish multi-role attack helicopter developed from the Agusta A129 Mangusta
TAI T929 ATAK 2, a Turkish attack helicopter developed from the T129 ATAK and T625 Gökbey helicopters

Other
Atak (village), a village in the Barisal District of southern-central Bangladesh
Atak (clan), the name for a clan of the Royma, a nomadic pastoral Muslim community in India and Pakistan
ATAK Sportswear, a Slovakian sports equipment manufacturer
Atak (music hall), a music venue in Enschede, Netherlands