People from Nicaea

Hipparchus (; , ;  BC) was a Greek astronomer, geographer, and mathematician. He is considered the founder of trigonometry, but is most famous for his incidental discovery of the precession of the equinoxes. Hipparchus was born in Nicaea, Bithynia, and probably died on the island of Rhodes, Greece. He is known to have been a working astronomer between 162 and 127 BC.

Greco-Roman statesman and historian (c. 155–c. 235)

Byzantine scholar (1242–1310)

Daughter of the Niceaen Emperor

Greek mathematician and astronomer

Seljuk governor of Nicaea from 1084 to 1092

Christian martyr (died 303)

Byzantine monk, Metropolitan of Philadelphia (1283/4–1322) and Eastern Orthodox theologian