2023 In Gabon

• President:
  • Ali Bongo Ondimba
  • Brice Clotaire Oligui Nguema
• Prime Minister:
  • Rose Christiane Ossouka Raponda (until 9 January);
  • Alain Claude Bilie By Nze
  • Raymond Ndong Sima

Ongoing: COVID-19 pandemic in Gabon

• 9 January – Gabonese president Ali Bongo Ondimba names Alain Claude Bilie By Nze as the new prime minister and head of government, replacing Rose Christiane Raponda after Ondimba issued a presidential decree.

• 26 August – 2023 Gabonese general election:
  • Gabonese citizens vote for a president and members of the parliament.
  • The government imposes a nightly curfew and suspends internet access following the closure of polls, citing the need to prevent violence and misinformation.
• 30 August – 2023 Gabonese coup d'état: Officers of the Gabonese military undertake a military coup, dissolving the government, closing all borders, and annulling the results of the general election after Ali Bongo Ondimba is declared the winner.
• 2 September – Gabon's military government reopens the country's borders, three days after its closure.
• 12 October – Sylvia Bongo Ondimba, the former first lady of Gabon, is jailed by the ruling military junta.

• 10 January – Alain da Costa, 87, football manager (USM Libreville, Vantour Mangoungou, national team).
• 20 January – Michael Moussa Adamo, 62, politician, minister of foreign affairs (since 2022).
• 25 February – François Engongah Owono, 77, politician, MP (2001–2006).
• 11 December – Paulin Obame-Nguema, 88, politician, prime minister (1994–1999).