Phineas (disambiguation)

Phineas is a given name that can refer to:
 * Phineas Black, son of Phineas Nigellus Black and Ursula Flint
 * Phineas Nigellus Black, former Headmaster of Hogwarts School of Witchcraft and Wizardry
 * Phineas Bourne, author of Moste Potente Potions