He was named 'Apollo 11' because he was born on the day that the Apollo space project was launched.
Apollo | Apollo 11 | Apollo program | Apollo Theater | Apollo 13 | Apollo Theatre | Apollo 17 | Apollo 1 | Hammersmith Apollo | Apollo Command/Service Module | Apollo 8 | Apollo 13 (film) | Apollo 12 | Apollo Program | Apollo Guidance Computer | Apollo Computer | Apollo Lunar Module | Apollo 440 | The Apollo of Bellac | Apollo 10 | Apollo Victoria Theatre | Apollo (mythology) | Apollo Belvedere | Strangford Apollo | Showtime at the Apollo | Apollo PGNCS | Apollo Lunar Surface Experiments Package | Apollo Group | Apollo/Domain | Apollo (butterfly) |