Sirius Black can refer to:
- Sirius Black I (1845 - 1853), the elder brother of Phineas Nigellus Black
- Sirius Black II (1877 - 1953), the eldest son of Phineas Nigellus Black and Ursula Flint
- Sirius Black III (1959 - 1996), the elder son of Orion Black and Walburga Black, brother of Regulus Black and godfather of Harry Potter
- Stubby Boardman, a musician reported to be Sirius Black in The Quibbler
Behind the scenes
- It is interesting to note that all of the Sirius Blacks mentioned were the eldest sons in their respective families.