Twin Falls can refer to:

Cities and counties

  • Twin Falls, Idaho
  • Twin Falls County, Idaho

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