Three. The Commander (CDR), the Command Module Pilot (CMP), and the Lunar Module Pilot (LMP)
The question is not clear, there were three astronauts at a time in a Apollo mission , and there were 11 Apollo missions.
Each Apollo mission carried 3 crew members.
There were 3 Apollo 14 astronauts. Alan Shepard and Edgar Mitchell landed on the moon and Stuart Roosa orbited it.
The astronaut of Apollo 8 and Apollo 13 was James Lovell.
A total of 71 astronauts flew into space on Apollo missions. These astronauts were divided across the 17 Apollo missions that included manned flights.
The question is not clear, there were three astronauts at a time in a Apollo mission , and there were 11 Apollo missions.
As each Apollo spacecraft had three astronauts at a time and seven Apollo crafts flew to the moon, there were a total of 21 astronauts.
Each Apollo mission carried 3 crew members.
There were 3 Apollo 14 astronauts. Alan Shepard and Edgar Mitchell landed on the moon and Stuart Roosa orbited it.
The Apollo 7 spacecraft flew to test the Apollo spacecraft after the first one burnt i a fire. And astronauts Virgil grissim, edward White and roger Chaffee died.
The astronaut of Apollo 8 and Apollo 13 was James Lovell.
A total of 71 astronauts flew into space on Apollo missions. These astronauts were divided across the 17 Apollo missions that included manned flights.
The astronauts of Apollo 11 were Neil Armstrong, Edwin "Buzz" Aldrin, and Michael Collins
The Apollo 11 mission that flew to the moon in 1969 was commanded by Neil Armstrong, with Michael Collins as the command module pilot and Edwin "Buzz" Aldrin as the lunar module pilot. Neil Armstrong and Buzz Aldrin were the two astronauts who walked on the moon's surface.
The Apollo 11 mission, the first lunar landing mission, was crewed by Neil Armstrong, Buzz Aldrin, and Michael Collins. Neil Armstrong and Buzz Aldrin became the first two humans to walk on the moon. Michael Collins orbited the moon in the command module while the other two astronauts descended to the lunar surface.
As he flew in a Apollo and a Gemini spacecraft they were other astronauts with him.
Neil Armstrong flew his mission with Edwin "Buzz" Aldrin and Michael Collins. This was not the first lunar mission, however, but it was the first lunar landing. Apollo 8 had orbited the moon in December of 1968, and Apollo 10 astronauts flew the lunar lander within 50 miles of the moon's surface as a test flight for Apollo 11's first moon landing attempt.