This is a list of rivers in Costa Rica.

By drainage basin

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

Caribbean Sea

• San Juan River
  • Colorado River (distributary)
    • Chirripó River
  • Sarapiquí River
    • Toro River
    • Sucio River
  • San Carlos River
    • Arenal River
  • Pocosol River
  • Lake Nicaragua (Nicaragua)
    • Frío River
      • Sabogal River
      • Celeste River (Buenavista River)
    • Zapote River
    • Niño River (Pizote River)
    • Sapoá River
• Suerte River
• Tortuguero River
• Reventazón River
  • Parismina River
    • Jiménez River
  • Atirro River
  • Pejibaye River
  • Orosí River
• Pacuare River
• Matina River
  • Chirripó Duchi River (Chirripó Atlañtico River)
• Banano River
• Estrella River
• Sixaola River
  • Yorkin River
  • Uren River
  • Lari River
  • Coen River
  • Telire River

Pacific Ocean

• Tamarindo River
• Nosara River
• Tempisque River
  • Bebedero River
    • Cañas River
    • Piedras River
    • Corobicí River
      • Tenorio River
  • Cañas River
  • Salto River
  • Liberia River
  • Colorado River
• Abangares River
• Lagarto River
• Guacimal River
• Aranjuez River
• Barranca River
• Jesús María River
• Tárcoles River
• Pirris River
• Naranjo River
• Savegre River
• Térraba River
  • Coto Brus River
  • General River
    • Chirripó Pacifico River
• Sierpe River
• Coto Colorado River
• Río Ceibo^[1]
• Chacuaco River^[1]
• Claro River (Costa Rica)^[1]
• Colón River^[1]
• Conte River^[1]
• Diamante River (Costa Rica)^[1]
• Jaba River (Costa Rica)^[1]
• La Palma River^[1]
• Limón River (Costa Rica)^[1]
• Negro River (Costa Rica)^[1]
• Rincón River^[1]
• Riyito River (Costa Rica)^[1]
• Síngrí River^[1]
• Tigre River (Costa Rica)^[1]
• Volcán River^[1]