June Griffith

June Marcia Griffith (married Collison) (born June 16, 1957) is a retired Guyanese track and field athlete. She participated in both sprint and jumping events. She represented Guyana in the 400 meters at the 1984 Olympics, making it to the semi-final round before finishing a non-qualifying 5th place in her semi final behind the eventual gold (Valerie Brisco-Hooks) and bronze (Kathy Smallwood-Cook) medalists.

She was the 400 metres gold medalist at the 1982 Central American and Caribbean Games. She was also a silver medalist at the 1979 Pan American Games, losing to Sharon Dabney in a photo finish in the 400 metres and a bronze medalist in the long jump at the 1978 Commonwealth Games.

She married Dennis Collison, also a Guyanese sprinter. They are the parents of NBA basketball player Darren Collison. She originally came to the United States on a track scholarship to Adelphi University. After earning her MBA, she was CFO for the now closed St. Luke Medical Center in Sierra Madre, California. She is now COO of the Arrowhead Regional Medical Center.