Grand Valley may refer to:
;United States
- Grand Valley (Colorado-Utah), along the Colorado River
- Grand Valley AVA, Colorado wine region
- Grand Valley, Colorado, town now named Parachute, Colorado
- Grand Valley, Michigan
- Grand Valley, Pennsylvania
- Grand Valley State University in Allendale, Michigan
- Grand Valley State Lakers, this school's athletic program
;Canada
- Grand Valley, Ontario
- Grand Valley, Saskatchewan
;Indonesia
- Grand Valley, better known as the Baliem Valley, Western New Guinea, home of the Dani people
;Fictional
- Grand Valley Speedway, a track in the Gran Turismo series of videogames