Luke Isaiah Nelson (born 29 June 1995) is a British basketball player for the London Lions of the British Basketball League (BBL) and EuroCup. He also represents the Great Britain national team in international competitions. He played American college basketball for UC Irvine, where he was named the 2017 Big West Conference Player of the Year. He attended college at the University of California, Irvine, where he became a four-year starter. He was named first-team All-Big West Conference in his junior and senior seasons and was named Big West Player of the Year as a senior.