Alexandra "Alex" Johnson (born April 3, 1989) is an American rock climber who has made numerous first female ascents, including Clear Blue Skies V12 (8A+) in Colorado, The Mandala V12 (8A+) in Bishop, and Book of Nightmares V12 (8A+) and Lethal Design V12 (8A+) in Red Rocks.
She is a five-time United States national champion and two-time Bouldering World Cup gold medalist.