NPA Western Region comprises of the following registered institutions:
- Department of Philosophy, University of Lagos, Lagos State
- Department of Philosophy, University of Ibadan, Oyo State
- Department of Philosophy, University of Benin (UNIBEN), Edo State
- Department of Philosophy, Ambrose Alli University (AAU), Edo State
- Department of Philosophy, Bowen University, Iwo, Osun State
- Department of Philosophy, Lagos State University (LASU), Lagos State
- Department of Philosophy, Obafemi Awolowo University (OAU)
- Department of Philosophy, Olabisi Onabanjo University (OOU)
- Department of Philosophy, Adekunle Ajasin University (AAUA), Akungba, Akoko South West, Ondo State.
- Department of Philosophy, Kogi State University (KSU), Kogi State
- Department of Philosophy, Ekiti State University (EKSU), Ekiti State
- Department of Philosophy, Joseph Ayo Babalola University (JABU), Osun State
- Department of Philosophy, Fountain University, Osogbo, Osun State
- Department of Philosophy, Samuel Adegboyega University (SAU), Ogwa, Edo State
- Department of Philosophy, Augustine University (AUI), Ilara, Epe, Lagos State
- Department of Political Science, Philosophy & International Relations, Caleb University, Imota, Lagos, Nigeria
- St Albert the Great Idowu Ofonron Abeokuta, Ogun State
- SS Peter and Paul, Bodija, Ibadan
- All Saints Seminary, Ekpoma
