John A. Costello ♊ Gemini John A. Leslie ♌ Leo John A. Logan ♒ Aquarius John A. Macdonald ♑ Capricorn John A. McCone ♑ Capricorn John A. Roebling ♊ Gemini John A. Russo ♒ Aquarius John Aasen ♓ Pisces John Abbott ♓ Pisces John Abizaid ♈ Aries John Abraham ♐ Sagittarius John Adair ♑ Capricorn John Adams ♏ Scorpio John Adams Dix ♌ Leo John Agar ♒ Aquarius John Akii-Bua ♐ Sagittarius John Alan Lee ♍ Virgo John Albion Andrew ♊ Gemini John Aldridge ♍ Virgo John Alexander Douglas McCurdy ♌ Leo John Alexander Low Waddell ♑ Capricorn John Allan Cameron ♐ Sagittarius John Allen Chau ♐ Sagittarius John Allen Fraser ♐ Sagittarius John Allen Nelson ♍ Virgo John Allen Paulos ♋ Cancer John Aloisi ♒ Aquarius John Alvbåge ♌ Leo John Amaechi ♐ Sagittarius John Ambrose Fleming ♐ Sagittarius John Amos ♑ Capricorn John Amos Comenius ♈ Aries John Andretti ♓ Pisces John Andrew Mara ♋ Cancer John Aniston ♌ Leo John Anthony Boissonneau ♐ Sagittarius John Anthony Walker ♌ Leo John Arbour ♎ Libra John Arbuthnot ♉ Taurus John Archibald Wheeler ♋ Cancer John Argyropoulos ♑ Capricorn John Armstrong Jr. ♐ Sagittarius John Arne Riise ♎ Libra John Arpin ♐ Sagittarius John Arthur Jarvis ♓ Pisces John Ashbery ♌ Leo John Ashcroft ♉ Taurus John Asher ♑ Capricorn John Astin ♈ Aries John Atkinson Grimshaw ♍ Virgo John Atta Mills ♋ Cancer John Aubrey ♓ Pisces John August ♌ Leo John August Anderson ♌ Leo John Axford ♈ Aries John Aylward ♏ Scorpio John B. Anderson ♒ Aquarius John B. Boucher ♋ Cancer John B. Calhoun ♉ Taurus John B. Floyd ♊ Gemini