List of known variable stars
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There are over 30,000 known variable stars, with more being discovered regularly, so a complete list of every single variable is impossible. The following is a list of known variable stars that are well-known, bright, significant, or otherwise interesting.
- R And
- S And (1885 supernova in the Andromeda galaxy)
- U Ant
- θ Aps
- η Aql
- R Aql
- V Aql
- R Aqr
- T Aqr
- U Ara
- R Ari
- U Ari
- ε Aur
- R Aur
- AE Aur
- R Boo
- W Boo
- X Cam
- VZ Cam
- η Car (the volatile supergiant Eta Carinae)
- l Car
- R Car
- S Car
- γ Cas
- R Cas
- S Cas
- W Cas
- R Cen
- S Cen
- T Cen
- V645 Cen (Proxima Centauri)
- δ Cep
- μ Cep
- S Cep
- T Cep
- U Cep
- SS Cep
- AR Cep
- ο Cet (Mira, "the wonderful")
- T Cet
- U Cet
- W Cet
- R Cha
- R CMa
- VY CMa
- FW CMa
- S CMi
- R Cnc
- X Cnc
- T Col
- R Com
- α CrB (Alphecca)
- R CrB
- S CrB
- T CrB
- U CrB
- V CrB
- W CrB
- R Cru
- R Crv
- χ Cyg
- R Cyg
- U Cyg
- W Cyg
- X Cyg
- RT Cyg
- SS Cyg
- SU Cyg
- CH Cyg
- R Del
- U Del
- EU Del
- β Dor
- S Dor (in the Large Magellanic Cloud)
- R Dra
- T Eri
- R For
- η Gem
- ζ Gem
- R Gem
- U Gem
- S Gru
- α Her
- g Her (30 Her)
- u Her (68 Her)
- S Her
- U Her
- X Her
- R Hor
- U Hor
- R Hya
- U Hya
- VW Hya
- BL Lac (originally thought to be a variable star, but later discovered to be a blazar)
- R Leo
- R Lep (Hind's Crimson Star)
- RX Lep
- R LMi
- RU Lup
- β Lyr
- R Lyr
- RR Lyr
- U Mic
- U Mon
- V Mon
- R Nor
- T Nor
- R Oct
- S Oct
- V Oph
- X Oph
- RS Oph
- BF Oph
- α Ori (Betelgeuse)
- U Ori
- W Ori
- VV Ori
- CK Ori
- κ Pav
- S Pav
- β Peg
- R Peg
- X Peg
- β Per (Algol, "The Demon Star")
- φ Per
- ρ Per
- X Per
- ζ Pho
- R Pic
- TX Psc
- L² Pup
- RS Pup
- T Pyx
- S Scl
- RR Sco
- RS Sco
- RT Sco
- R Sct
- R Ser
- S Ser
- U Sge
- WZ Sge
- RR Sgr
- R Sgr
- U Sgr (in M25)
- RT Sgr
- RU Sgr
- RY Sgr
- VX Sgr
- λ Tau
- T Tau
- SU Tau
- R Tri
- R UMa
- T UMa
- U UMa
- Z UMa
- α UMi (Polaris)
- R Vir
- S Vir
- W Vir
- SS Vir
- R Vul
- U Vul
- Z Vul