Twelve individuals have walked on the moon, all American astronauts as part of NASA's Apollo program:

* Apollo 11 (1969): Neil Armstrong and Buzz Aldrin

* Apollo 12 (1969): Pete Conrad and Alan Bean

* Apollo 14 (1971): Alan Shepard and Edgar Mitchell

* Apollo 15 (1971): David Scott and James Irwin

* Apollo 16 (1972): John Young and Charles Duke

* Apollo 17 (1972): Eugene Cernan and Harrison Schmitt