The Bayer designation b Cygni is shared by three stars in the constellation Cygnus: b1 Cygni (V2008 Cygni), an RS CVn variable b2 Cygni (V1624 Cygni), a Be star b3 Cygni (V1644 Cygni), a δ Scuti variable with a planet companion (HIP 99770 b)

See also Albireo (β Cygni)