The ACLU of Indiana is overseen by a Board of Directors that consists of 12 regional directors, nine at-large directors and nine board-appointed directors. The Board of Directors meets at least three times a year to set policy, appoint the executive director as needed, acquire and dispose of property, and engage in other activities consistent with the mission of the organization. Directors serve three-year terms. Members of the Board of Directors receive no compensation for their services.

Current members of the Board of Directors include:
Tamara Winfrey-Harris, President, Indianapolis
Robert Dion, Secretary, Evansville
Emma Crossen, Treasurer, Terre Haute
Sara Hindi, AEO Officer, Carmel
Geraldine Chavez Mahoney, Mishawaka

Emma Crossen, Terre Haute
Anthony Fargo, Bloomington
Luis Fuentes-Rohwer, Bloomington

Kyle Grubbs, North Manchester
Christopher Hegarty, Lafayette
Cris Halter, Indianapolis
William Harrington, Avon

Greg Hasty, Fishers
Mark Nicholson, Indianapolis
Caroline Richardson, Indianapolis

David Shircliff, Bedford
Ellen Wu, Bloomington
Hudnall Pfeiffer, Indianapolis