Usman Oyibe Jibrin, GSS AM psc(+) mni LLB PGCPA is a Nigerian Navy vice admiral and the 21st Chief of the Naval Staff. Prior to his appointment as Chief of the Naval Staff, he was the Chief of Logistics and Director of Training, Defence Headquarters Abuja.

The Chief of the Naval Staff (CNS) is the military head and highest ranking military officer of the Nigerian Navy. The Chief of the Naval Staff is usually the highest ranking and most senior admiral to serve in the Nigerian Armed Forces unless the Chief of Defence Staff is a naval officer. The position is often occupied by the most senior commissioned officer appointed by the Commander-in-Chief of the Armed Forces of Nigeria. The Chief of the Naval Staff reports to the Chief of Defence Staff, who also reports to the Defence Minister. The Statutory duty of the Officer is to formulate and execute policies towards the highest attainment of National Security and operational competence of the Nigerian Navy.