Kabiskopan Porto Novo () yaiku kabiskopan sing ana ing kutha Porto Novo, provinsi grejawi Cotonou, Benin.

Riwayat 
 5 April 1954: Didegake minangka Vikariat Apostolik Porto Novo saka Vikariat Apostolik Ouidah
 14 September 1955: Dipromosike minangka Kabiskopan Porto Novo

Pimpinan 
 Biskop Porto Novo (Ritus Roma)
 Biskop René-Marie Ehuzu, C.I.M. (2007.01.03 - 2012.10.17)
 Biskop Agung Marcel Honorat Léon Agboton (2000.01.29 – 2005.03.05)
 Biskop Vincent Mensah (1970.09.21 – 2000.01.29)
 Biskop Noël Boucheix, S.M.A. (1958.07.06 – 1969.01.01)

Referensi 
 GCatholic.org

Porto-Novo
Porto Novo