Rigel is a blue supergiant star in the Orion constellation, also known as Beta Orionis.
Rigel may also refer to:
- Rigel (comics), a character in a series published by Panini Comics
- Rigel (dog), a Newfoundland dog said to have helped rescue survivors from the sinking of the Titanic
- Rigel (microprocessor), a VAX microprocessor chip set developed and fabricated by Digital Equipment Corporation
- Rigel (rocket), an Argentinian sounding rocket
- MS Rigel, a Norwegian and German vessel
- USS Rigel (AD-13), a ship built in 1918 as Edgecombe
- USS Rigel (AF-58), a ship laid down in 1954
- SSM-N-6 Rigel, a proposed cruise missile system
- Rigel, a composition for trumpet and piano by Hale A. VanderCook
- Rigel, a genus of megalyrid wasps from Chile
- Rigel, a fictional nation in Fire Emblem Gaiden and Fire Emblem Echoes: Shadows of Valentia