2002 in Nigeria
See also: Timeline of Nigerian history
- President: Olusegun Obasanjo (PDP)
- Vice President: Atiku Abubakar (PDP)
- Chief Justice: Muhammad Lawal Uwais
- January 27 - Lagos Armoury Explosion
- October 10, 2002 — The International Court of Justice (ICJ) ruled against Nigeria in favor of Cameroon over the disputed oil-rich Bakassi peninsula territory.