Keith Nelson may refer to:
Keith Nelson (basketball) (born 1969), American former basketball player Keith Nelson (footballer) (1947–2020), New Zealand international footballer Keith Nelson (musician), producer and guitarist of Buckcherry Keith Nelson (rugby union) (1938–2025), New Zealand rugby union player Keith A. Nelson, American chemist Keith Dwayne Nelson (1974–2020), American convicted child murderer Keith Nelson, a fictional character played by Eric Stoltz in the film Some Kind of Wonderful
See also Keith Nelson-class lifeboat, an experimental lifeboat built for the Royal National Lifeboat Institution