In the fictional Harry Potter series, Andromeda Black is Sirius Black's favorite cousin, but a dishonor to her own family. She married a muggle-born wizard, Ted Tonks, and had Nymphadora Tonks.

Andromeda is the name of a constellation named after a character in Greek myths. In the Black family, Bellatrix, Sirius, Regulus, Alphard are named after stars.