Kusini Boja Yengi (born 15 January 1999) is an Australian professional Association football (soccer) player who plays as a striker for EFL Championship club Portsmouth and the Australia national team.

[4][5] On 21 February 2020, Yengi made his debut for Adelaide United coming on as a substitute in the 67th minute in a 5–2 defeat to the Western Sydney Wanderers, the club he would join two years later.

[12] Yengi received his first call-up to the Australia national team in November 2023 for the 2026 FIFA World Cup qualification match against Bangladesh and Palestine.

He made his international debut for the Socceroos against Bangladesh in Melbourne on 16 November 2023, coming on as a 72nd minute substitute for Brandon Borrello.

Yengi was selected in Graham Arnold's squad for the 2023 AFC Asian Cup in Qatar, and played in a friendly match against Bahrain preceding the tournament.