Twin Falls can refer to:
Cities and counties
Eastatoe Falls - Twin Falls, Pickens, SC - Eastatoe Falls - Twin Falls, Pickens, SC.
Waterfalls
- In Australia
- Twin Falls (Northern Territory), a waterfall in the Kakadu National Park in the Northern Territory
- In Canada
- Twin Falls (British Columbia), a waterfall in Yoho National Park, British Columbia
- Twin Falls (Labrador), a waterfall and hydroelectric generating station in Labrador
- In the Philippines
- Twin Falls (Camarines Sur), a waterfall named Itbog Falls located in Buhi, Camarines Sur
- In the United States
- Twin Falls (Idaho), a waterfall in Idaho, the namesake of the city of Twin Falls
- Twin Falls (Montana), a waterfall in the Glacier National Park
- Twin Falls (Oregon), a waterfall in the Silver Falls State Park.
- Twin Falls (South Carolina), a waterfall near Pickens
- Twin Falls (Washington), a waterfall near North Bend in Washington state
- Twin Falls (Hawaii), a waterfall in Maui, Hawaii
In music
- Twin Falls (band), an indie electronic folk band from Somerset, England
- "Twin Falls", a song from the 1994 album There's Nothing Wrong with Love by Built to Spill
- "Twin Falls", a live cover released by Ben Folds Five on their 1998 album Naked Baby Photos
Other
- USNS Twin Falls (T-AGM-11), a missile range instrumentation ship
- Twin Falls Resort State Park, Saulsville, West Virginia