One-term PDP incumbent Udom Gabriel Emmanuel sought re-election and won the PDP nomination while former managing director of the Niger Delta Development Commission Nsima Ekere became his main opponent by winning the APC nomination.

Two-term PDP incumbent Henry Seriake Dickson was ineligible for re-election due to term limits.

Two-term APC incumbent Kashim Shettima was ineligible for re-election due to term limits.

One-term PDP incumbent Ben Ayade sought re-election and won the PDP nomination while Cross River Central Senator John Owan Enoh became his main opponent by winning the APC nomination.

Two-term PDP incumbent Ibrahim Hassan Dankwambo was ineligible for re-election due to term limits.

Two-term APC incumbent Rochas Okorocha was ineligible for re-election due to term limits.

Ihedioha received the certificate of return and governed until 14 January 2020 when the Supreme Court declared Uzodinma the winner and he took office as Governor.

One-term incumbent Mohammed Badaru Abubakar sought re-election and won the APC nomination while former Chief of Staff to Governor Sule Lamido Aminu Ibrahim Ringim became his main opponent by winning the PDP nomination.

One-term APC incumbent Abdullahi Umar Ganduje sought re-election and won the APC nomination while former Commissioner of Works, Housing and Transport Abba Kabir Yusuf became his main opponent by winning the PDP nomination.

One-term APC incumbent Aminu Bello Masari sought re-election and won the APC nomination while Katsina South Senator Garba Yakubu Lado became his main opponent by winning the PDP nomination.

Two-term PDP incumbent Abdulfatah Ahmed was ineligible for re-election due to term limits.

Two-term APC incumbent Umaru Tanko Al-Makura was ineligible for re-election due to term limits.

Two-term APC incumbent Ibikunle Amosun was ineligible for re-election due to term limits.

Two-term APC incumbent Abiola Ajimobi was ineligible for re-election due to term limits.

One-term PDP incumbent Ezenwo Nyesom Wike sought re-election and won the PDP nomination while Biokpomabo Awara became his main opponent by winning the AAC nomination as the APC were barred from running candidates.

Two-term APC incumbent Ibrahim Gaidam was ineligible for re-election due to term limits.

Two-term APC incumbent Abdul'aziz Abubakar Yari was ineligible for re-election due to term limits.