Keith Raymond Erickson (born April 19, 1944) is an American former basketball and volleyball player.

Erickson, who attended UCLA on a shared baseball/basketball scholarship, also played on the 1964 United States Olympic volleyball team.

In 1965, Erickson was selected by the San Francisco Warriors in the third round of the NBA draft.

Erickson played for the Warriors, Chicago Bulls, the 1972 NBA Champion Los Angeles Lakers, and Phoenix Suns.

He had been traded along with a 1974 second-round selection (31st overall–Fred Saunders) from the Lakers to the Suns for Connie Hawkins on October 30, 1973.