Willem Jacob Luyten (1899–1994) was a Dutch-American astronomer.
Luyten may also refer to: Luyten (surname), with a list of other people with the surname Luyten 1964 Luyten, an asteroid named after Willem Jacob Luyten Luyten's Star, a red dwarf in the constellation Canis Minor Luyten b (more commonly known as GJ 273b), a confirmed exoplanet orbiting Luyten's Star Luyten 726-8 (also known as Gliese 65), a binary star system that is one of Earth's nearest neighbors Luyten 789-6 (also known as EZ Aquarii), a triple star system in the constellation Aquarius Luyten 1159-16 (also known as L 1159-16), a red dwarf in the northern constellation of Aries Luyten Five-Tenths catalogue, a star catalogue created by Willem Jacob Luyten
See also Lutyens (disambiguation) Lutjens (disambiguation) Luyt, surname