Toto je seznam největších známých hvězd. Seznam je seřazen dle průměru, který je uveden v násobcích průměru slunce.
| Jméno hvězdy | Průměr (Slunce = 1) | |
|---|---|---|
| Stephenson 2-18 | 2150 | |
| VV Cephei A | 1750 (1600-1900) | |
| UY Scuti | 1708 | |
| WOH G64 | 1540 | |
| V354 Cephei | 1520 | |
| KW Sagitarii | 1460 | |
| VY Canis Majoris | 1420 | |
| KY Cygni | 1420 | |
| μ Cephei (Herschelova „Granátová hvězda“) | 1420 | |
| NML Cygni | 1183 | |
| V509 Cassiopeiae | 910 | |
| V838 Monocerotis | 800 | |
| V382 Carinae | 747 | |
| Ró Cassiopeiae | 738 | |
| Mira A (Omicron Ceti) | 700 | |
| Antares (Alpha Scorpii) | 700 | |
| Betelgeuse (Alpha Orionis) | 650 | |
| S Pegasi | 580 | |
| T Cepheii | 540 | |
| S Orionis | 530 | |
| W Hydrae | 520 | |
| Y1 Aurigae | 511 | |
| 119 Tauri | 510 | |
| R Cassiopeiae | 500 | |
| Delta Canis Majoris (Wezen) | 482 | |
| Chi Cygni | 470 | |
| J Cassiopeiae | 460 | |
| Alpha Herculis (Ras Algethi) | 460 | |
| Eta Carinae | 400 | |
| R Doradus | 370 | |
| HR Carinae | 350 | |
| R Leonis | 350 | |
| Pistolová hvězda | 340 | |
| Chi Cygni | 300 | |
| Epsilon Aurigae B | 295 | |
| Deneb (Alpha Cygni) | 220 | |
| LBV 1806-20 | 200 | |
| Epsilon Aurigae A | 175 | |
| Zeta Aurigae | 160 | |
| Epsilon Pegasi (Enif) | 150 | |
| Gamma Crucis (Gacrux) | 113 | |
| Beta Cygni A1 | 109 | |
| Epsilon Aurigae | 100 | |
| Gamma Andromedae | 83 | |
| Alpha Leporis (Arneb) | 77 | |
| Rigel (Beta Orionis) | 70 | |
| Epsilon Carinae | 70 | |
| R Coronae Borealis | 65 | |
| Canopus (Alpha Carinae) | 65 | |
| Delta Orionis (Mintaka) | 60 | |
| Zeta Orionis (Alnitak) | 60 | |
| Alpha Persei (Mirfak) | 60 | |
| Zeta Geminorum (Mekbuda) | 60 | |
| Eta Aquilae | 60 | |
| Gamma Draconis (Eltanin) | 50 | |
| Aldebaran (Alpha Tauri) | 43 | |
| Beta Ursae Minoris (Kochab) | 41 | |