NPA Eastern Region comprises of the following registered institutions:
- Department of Philosophy, University of Uyo, Akwa-Ibom State
- Department of Philosophy, University of Calabar, Cross River State
- Department of Philosophy, Madonna University, Elele Campus, Okija, Anambra State
- Department of Philosophy, Imo State University (IMSU), Imo State
- Department of Philosophy, University of Port-Harcourt (UNIPORT), Rivers State
- Department of Philosophy, Anambra State University (ANSU), Anambra State
- Department of Philosophy,Nnamdi Azikwe University (UNIZIK), Akwa, Anambra State
- Department of Philosophy, Akwa Ibom State University (AKUTECH), Cross Rivers State
- Department of Philosophy, The Federal University Ndufu Alike Ikwo (FUNAI), Ebonyi State
- Department of Philosophy, Tansian University (TANSIAN), Umunya, Oyi Local Government Area, Anambra State
- Department of Philosophy, Godfrey Okoye University, Enugu State
- Bigard Memorial Seminary, Enugu
- Seat of Wisdom Seminary, Ariam-Umuahia
- Seat of Wisdom Seminary, Owerri
- Pope JohnPaul 11 Major Seminary, Awka
- Good Shepherd Major Seminary, Kaduna
- Department of Philosophy, Niger Delta University (NDU), Wilberforce Island, Bayelsa State.
- Department of Philosophy, Delta State University (DELSU), Delta State
