Wapiti, or elk, are a species of large deer.

Wapiti may also refer to:

• Boulder darter (Etheostoma wapiti), a species of fish

• Wapiti Pass, a mountain pass in British Columbia, Canada
• Wapiti River, a river in British Columbia and Alberta, Canada
• Wapiti Lake Provincial Park, a provincial park in British Columbia, Canada
• Wapiti Ranger Station, a ranger station in Shoshone National Forest, Wyoming, United States
• Grande Prairie-Wapiti, a provincial electoral district in Alberta, Canada
• Wapiti, Wyoming, a town in Wyoming, United States

• Westland Wapiti, a British military aeroplane built in the 1920s
• The Wapiti tribe, a fictional Native American tribe in Red Dead Redemption 2.