• Komo Department (Kango)
• Komo-Mondah Department (Ntoum)
• Noya Department (Cocobeach)
• Komo-Océan Department (Ndzomoe)
• Libreville (department & capital city)

The Department of Cap Estérias (Cap Estérias) was deleted in 2013.^[1]

• Djoue Department (Onga)
• Djououri-Aguilli Department (Bongoville)
• Lekoni-Lekori Department (Akiéni)
• Lekoko Department (Bakoumba)
• Leboumbi-Leyou Department (Moanda)
• Mpassa Department (Franceville)
• Plateaux Department (Leconi)
• Sebe-Brikolo Department (Okondja)
• Ogooué-Létili Department (Boumango)
• Lékabi-Léwolo Department (Ngouoni)
• Bayi-Brikolo Department (Aboumi)

• Abanga-Bigne Department (Ndjole)
• Ogooué et des Lacs Department (Lambaréné)

• Boumi-Louetsi Department (Mbigou)
• Dola Department (Ndendé)
• Douya-Onoy Department (Mouila)
• Louetsi-Wano Department (Lébamba)
• Ndolou Department (Mandji)
• Ogoulou Department (Mimongo)
• Tsamba-Magotsi Department (Fougamou)
• Louetsi-Bibaka Department (Malinga)
• Mougalaba Department (Guietsou)

• Basse-Banio Department (Mayumba)
• Douigni Department (Moabi)
• Haute-Banio Department (Ndindi)
• Mougoutsi Department (Tchibanga)
• Doutsila Department (Mabanda)
• Mongo Department (Binza)

• Ivindo Department (Makokou)
• Lope Department (Booué)
• Mvoung Department (Ovan)
• Zadie Department (Mekambo)

• Lolo-Bouenguidi Department (Koulamoutou)
• Lombo-Bouenguidi Department (Pana)
• Mouloundou Department (Lastoursville)
• Offoué-Onoye Department (Iboundji)

• Bendje Department (Port-Gentil)
• Etimboue Department (Omboue)
• Ndougou Department (Gamba)

• Haut-Komo Department (Medouneu)
• Haut-Ntem Department (Minvoul)
• Ntem Department (Bitam)
• Okano Department (Mitzic)
• Woleu Department (Oyem)

• Provinces of Gabon

• Statoids, Departments of Gabon