is a British actor. On television, he is known for his role in the Apple TV+ series See (2019–2022). His films include Midsommar (2019), Gran Turismo and Saltburn (both 2023).

Madekwe was born in South London.His parents divorced when he was young. His cousin is actress Ashley Madekwe.

At 14, Madekwe began attending the BRIT School. He also joined the National Youth Theatre. He furthered his studies at the London Academy of Music and Dramatic Art (LAMDA), and left early when he was cast in Ian Rickson's The Goat, or Who Is Sylvia? by Edward Albee on the West End opposite Damian Lewis and Sophie Okonedo