Ayagoz (Kazakh: Аякөз ауданы, Aiaköz audany; اياكٶز اۋدانى) is a district of Abai Region in eastern Kazakhstan. The administrative center of the district is the town of Ayagoz. Population: 35,866 (2013 estimate); 36,410 (2009 Census results); 42,797 (1999 Census results).

The district is served by Turkestan-Siberia Railway. Aktogay station, located within the district, is an important junction.