This is a list of rivers in the U.S. state of Idaho.

This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name.

• Columbia River (WA)
  • Snake River
    • Palouse River
      • Union Flat Creek
    • Clearwater River
      • Lapwai Creek
      • Potlatch River
        • Pine Creek
        • Big Bear Creek
        • Moose Creek
      • Big Canyon Creek
      • North Fork Clearwater River
        • Elk Creek
        • Little North Fork Clearwater River
        • Beaver Creek
        • Washington Creek (Idaho)
        • Orogrande Creek
          • French Creek
        • Weitas Creek
        • Kelly Creek
      • Orofino Creek
        • Whiskey Creek
        • Canal Gulch
      • Jim Ford Creek
      • Lolo Creek
      • Lawyers Creek
      • Middle Fork Clearwater River
        • Lochsa River
          • White Sand Creek (meets the Lochsa near Powell Junction)
        • Selway River (meets the Lochsa at Lowell)
          • Meadow Creek
          • Moose Creek
            • North Fork Moose Creek
            • East Fork Moose Creek
          • Bear Creek
          • White Cap Creek
          • Little Clearwater River
      • South Fork Clearwater River
        • Cottonwood Creek
        • Crooked River
        • American River
        • Red River
    • Salmon River
      • Fourth of July Creek
      • Tower Creek
      • Little Salmon River
        • Rapid River
      • South Fork Salmon River
        • Secesh River
        • East Fork South Fork Salmon River
          • Johnson Creek
      • Middle Fork Salmon River
        • Big Creek
        • Camas Creek
        • Loon Creek
      • Panther Creek
      • North Fork Salmon River
      • Lemhi River
      • Pahsimeroi River
      • East Fork Salmon River
      • Yankee Fork Salmon River
    • Wildhorse River
      • Crooked River
    • Weiser River
      • Crane Creek
      • Little Weiser River
    • Payette River
      • Big Willow Creek
        • Little Willow Creek
        • Dry Creek
        • Fourmile Creek
        • Jakes Creek
      • Chief Eagle Eye Creek
      • North Fork Payette River
        • Gold Fork River
      • Middle Fork Payette River
      • South Fork Payette River
        • Deadwood River
    • Boise River
      • Indian Creek
      • Mores Creek
      • South Fork Boise River
        • Boardman Creek
        • Deadwood Creek
      • Middle Fork Boise River
        • Roaring River
        • Queens River
        • Yuba River
      • North Fork Boise River
        • Crooked River
        • Bear River
    • Owyhee River
      • Jordan Creek
      • North Fork Owyhee River
        • Middle Fork Owyhee River
      • South Fork Owyhee River
        • Little Owyhee River
      • Deep Creek
      • Battle Creek
      • Blue Creek
    • Castle Creek
    • Bruneau River
      • Jacks Creek
        • Big Jacks Creek
        • Little Jacks Creek
      • Clover Creek
      • Sheep Creek
        • Marys Creek
      • Jarbidge River
    • Sailor Creek
    • Malad River
      • Big Wood River
        • Camas Creek
      • Little Wood River
      • Baugh Creek
    • Salmon Falls Creek
    • Goose Creek
    • Raft River
      • Cassia Creek
    • Rock Creek
    • Bannock Creek
    • Portneuf River
      • Marsh Creek
    • Blackfoot River
    • Willow Creek
      • Grays Lake Outlet
    • Henrys Fork
      • Teton River
        • Moody Creek
        • Canyon Creek
        • Bitch Creek
        • Badger Creek
      • Fall River
        • Conant Creek
          • Squirrel Creek
        • Boone Creek
      • Warm River
        • Robinson Creek
      • Buffalo River
      • Moose Creek
  • Spokane River
    • Cable Creek
    • Latah Creek
    • Coeur d'Alene River
      • South Fork Coeur d'Alene River
      • North Fork Coeur d'Alene River
    • Saint Joe River
      • Saint Maries River
  • Pend Oreille River
    • Priest River
      • Abandon Creek
    • Pack River
    • Clark Fork
  • Kootenai River
  • Balboa River
    • Moyie River

These basins aren't hydrologically linked to the Snake River.

• Big Lost River
  • Antelope Creek
  • East Fork Big Lost River
  • North Fork Big Lost River
• Little Lost River
• Birch Creek
• Medicine Lodge Creek
• Camas Creek
  • Beaver Creek

• Great Salt Lake
  • Bear River
    • Malad River
      • Little Malad River
    • Little Bear River
      • Logan River
    • Cub River
  • Deep Creek
    • • Rock Creek (Oneida and Power counties, Idaho)

• List of rivers in the United States
• List of lakes in Idaho
• List of mountains of Idaho

• USGS Geographic Names Information System
• USGS Hydrologic Unit Map - State of Idaho (1974)

Media related to Rivers of Idaho at Wikimedia Commons