Sirius Black can refer to:
- Sirius Black I (1845 - 1853), elder brother of Phineas Nigellus Black.
- Sirius Black II (1877 - 1953), eldest son of Phineas Nigellus Black and Ursula Flint.
- Sirius Black III (1959 - 1996), eldest son of Orion Black and Walburga Black.