Eternal triangle (disambiguation)

Eternal triangle is a type of love triangle.

The term Eternal triangle can also refer to:
 * Eternal Triangle, a London Based Pop Group
 * Eternal Triangle, a Jazz standard by Sonny Stitt, recorded on the album Sonny Side Up
 * The Eternal Triangle, an album by trumpeters Freddie Hubbard and Woody Shaw
 * The Eternal Triangle (film), a 1917 British silent romance film