The Cauvery River, also known as the Kaveri River, has 29 major tributaries. Some of the main tributaries of the Cauvery River include:

• Harangi
• Hemavati
• Lakshmana Tirtha
• Kabini
• Suvarnavathi
• Shimsha
• Arkavati
• Sarabanga
• Bhavani
• Noyyal
• Thirumanimutharu
• Amaravati

These tributaries join the Cauvery River from both the left and right banks. The Cauvery River flows through the states of Karnataka and Tamil Nadu before reaching the Bay of Bengal.