Ousmane Ndong (born 20 September 1999) is a Senegalese professional footballer who plays as a centre-back for Russian club Akhmat Grozny. Besides Senegal, he has played in Uruguay, Argentina, Ecuador, Iran and Russia.
Ndong started out as a central midfielder, spending his early youth years in Senegal with Angelo Africa, Teungueth FC and Cayor Foot FC. In 2018, Ndong moved to Argentina to join Primera División team Lanús. He played in their academy for two years, latterly as captain, whilst transforming into a centre-back. He made the breakthrough into Luis ZubeldÃÂa's first-team in mid-2020. He scored in a friendly against Arsenal de Sarandàon 29 September, before making his senior debut in the Copa de la Liga Profesional against Newell's Old Boys on 14 November; becoming the first Senegalese player to play in the Argentine top-flight. On 3 January 2022 it was confirmed, that Ndong's contract with Lanús had been terminated.
At the end of February 2022, Ndong moved to Uruguayan Primera División side Albion.
On 21 July 2025, Ndong signed a three-year contract with Russian Premier League club Akhmat Grozny.
Born in Dakar, Ndong was born with two brothers and one sister. His father is a retired policeman, while his mother (d. 2019) was a doctor. He was childhood friends with Sadio Mané. In 2019, in Argentina, Ndong was robbed at gunpoint. He also suffered racist abuse while in the South American country. It took him nine months to learn Spanish, having only previously spoken French and partial English. Ndong states his love of Argentina came from watching Lionel Messi and the Argentina national team; revealing he cried when the nation was eliminated from the Copa América Centenario.