Going back to 1968, there have been 15 African-American athletes who have been named members of the U.S. Olympic Team for gymnastics:
James Kanati Allen (1968)
Luci Collins (1980)
Ron Galimore (1980)
Charles Lakes (1988)
Betty Okino (1992)
Dominique Dawes (1992, 1996, 2000)
Jair Lynch (1992, 1996)
Chainey Umphrey (1996)
Tasha Schwikert (2000)
Annia Hatch (2004)
Gabby Douglas (2012, 2016)
John Orozco (2012)
Kyla Ross (2012)
Simone Biles (2016, 2020)
Jordan Chiles (2020)
These athletes have won a total of 21 Olympic Medals:
Simone Biles (7) 4 Gold, 1 Silver, 2 Bronze
Dominique Dawes (4) 1 Gold, 3 Bronze
Gabby Douglas (3) 3 Gold
Annia Hatch (2) 2 Silver
Kyla Ross (1) 1 Gold
Betty Okino (1) 1 Bronze
Jair Lynch (1) 1 Silver
Jordan Chiles (1) 1 Silver
Tasha Schwikert (1) 1 Bronze