Formally recognized affiliate organizations receive several benefits in partnership with ATHE, including mentions in ATHENews, access to ATHE's list servs, a link from the ATHE website to the affiliate's site, and panels at ATHE's annual conference. Affiliates can also send representatives to attend the meetings of ATHE's governing body. Currently, the Kennedy Center/American College Theatre Festival (KC/ACTF) regularly sends a representative. Affiliates reciprocate by giving ATHE space in their association's newsletter and by inviting ATHE to present a panel at their national conference.

The following organizations are recognized affiliates of ATHE:

American Alliance for Theatre and Education (AATE) [1]

Australasian Association for Theatre, Drama,
and Performance Studies (ADSA) [2]

Black Theatre Network [3]

Ibsen Society of America (ISA) [4]

International Theatre Institute (ITI [5])

Kennedy Center/American College Theatre Festival (KC/ACTF) [6]

Korean Association of Women in Theatre (KAWT)

Literary Managers and Dramaturgs of the Americas (LMDA)
[7]
National Association of Schools of Theatre (NAST)
[8]
National Communication Association, Theatre Division (NCA) [9]

National Partners of the American Theatre [10]
[11]
New WORLD Theatre
[12]
University/Resident Theatre Association (U/RTA) [13]

United States Institute for Theatre Technology (USITT) [14]

To become affiliates of ATHE, organizations may write a letter of intent to the president, who will ask for a vote by the Governing Council on affiliate status.