Annamalai University affiliates colleges mainly in four Tamil Nadu districts: Cuddalore, Villupuram, Kallakurichi, and Mayiladuthurai.

Notable Affiliated Colleges:

Periyar Arts College, Cuddalore

Arignar Anna Govt. Arts College, Villupuram

D.G. Govt. Arts College for Women, Mayiladuthurai

A.V.C. College, Mayiladuthurai (Autonomous, NAAC A+)

Thiruvalluvar Arts and Science College, Kurinjipadi