How many people have went to the moon?

Six separate two-man crews landed on the moon. They are:

Apollo 11 - Neil Armstrong & Buzz Aldrin, July 20, 1969

Apollo 12 - Pete Conrad & Alan Bean, November 19, 1969

Apollo 14 - Alan Shepard & Edgar Mitchell, February 5, 1971

Apollo 15 - Dave Scott & Jim Irwin, July 30, 1971

Apollo 16 - John Young & Charlie Duke, April 21, 1972

Apollo 17 - Gene Cernan & Harrison Schmitt, December 11, 1972