A rift valley is a linear lowland formed by the action of a geologic rift.

Rift Valley may also refer to:

• Rift Valley Academy, Christian boarding school in Kijabe, Kenya
• Rift Valley University College, private university in Ethiopia
• Rift Valley Institute, non-profit research and training organization in East Africa

• Rift Valley Railways, manages the state-run railways of Kenya and Uganda
• Rift Valley Resources, mineral exploration company focusing on Tanzania
• Rift Valley United F.C., association football club based in Eldoret, Kenya

• Rift Valley Province, former province of Kenya
• Rift Valley lakes, group of lakes in the East African Rift
• Rift Valley fever, mild to severe viral disease

• Great Rift Valley (disambiguation)
• Jordan Rift Valley
• Waimangu Volcanic Rift Valley