Gren (disambiguation)

Gren may refer to


 * Gren, the pen-name of cartoonist Grenfell "Gren" Jones
 * Gren (band)
 * Gren (name)
 * Gren automotive, an international manufacturer of automotive brake components
 * Piz Gren, a mountain of the Swiss Lepontine Alps
 * Wenner-Gren Center in Vasastaden, Stockholm
 * Ivan Gren-class landing ship