is a Japanese professional footballer who plays as a forward for J1 League club Urawa Red Diamonds.
On 20 July 2021, Onaiwu moved abroad for the first time to join Ligue 2 side Toulouse.
On 29 April 2023, he became the first Asian and Japanese player to win the Coupe de France with Toulouse.
On 28 August 2023, he signed for Ligue 2 club Auxerre on a three-year contract.
On 1 September 2025, Onaiwu moved to 1. FC Magdeburg in German 2. Bundesliga.
Onaiwu made his international debut for Japan on 11 June 2021 in a friendly match with Serbia. Four days later, he scored a hat-trick against Kyrgyzstan at a FIFA World Cup qualifying match.
He is the son of a Japanese mother and a Nigerian father. His brother, George Onaiwu, is also a footballer, playing for Yokohama F. Marinos.
Urawa Red Diamonds
Toulouse
Auxerre
Japan U23