Oluwafemi "Femi" Ibrahim Seriki (born 28 April 2003) is an English professional footballer who plays as a right-back for EFL Championship club Sheffield United.

Seriki started at Bury's academy and had a couple of appearances on their bench before Bury left the English football league in 2019. He transferred to Sheffield United on 26 September 2019. He made his professional debut with Sheffield United as a late sub in a 1–0 Premier League loss to Newcastle United on 19 May 2021. Two days later he signed his first professional contract.

On 12 August 2021, Seriki joined Sheffield United's sister club Beerschot on a season-long loan deal. In November 2021, it was revealed that Seriki had been recalled from his loan spell.

On 22 March 2022, Seriki joined National League North side Boston United on a youth loan for the remainder of the 2021–22 season.

On 15 July 2022, Seriki joined Rochdale on a season-long loan.

On 1 February 2024, Seriki joined Rotherham United on loan until the end of the season.

On 6 December 2025, Seriki scored the first goal of his professional career as Sheffield United defeated Stoke City 4–0 at Bramall Lane.

Born in England, Seriki is of Nigerian descent. He has one sister called Seun.