How many americans hav walked on the moon?

As of now, a total of 12 astronauts have walked on the Moon. All of these lunar landings occurred during NASA's Apollo program between 1969 and 1972. The first person to set foot on the Moon was Neil Armstrong during the Apollo 11 mission in 1969, followed by Buzz Aldrin. The last to walk on the lunar surface was Eugene Cernan during the Apollo 17 mission in 1972.