List of Rivers of Thailand

Sl. No Draining into Additional available surface water (km3) Region River basin unit 1 Bangladesh Sl. No Provinces Name 2 Bangladesh 1 Chachoengsao Bang Pakong River 3 Bangladesh 2 Chanthaburi Chanthaburi River 4 Myanmar,  Bangladesh 3 Ang Thong Chao Phraya River 5 Bay of Bengal 4 Ayutthaya Chao Phraya River 6 Bay of Bengal 5 Chainat Chao Phraya River 7 Bay of Bengal 6 Nakhon Sawan Chao Phraya River 8 Bay of Bengal 7 Nonthaburi Chao Phraya River 9 8 Bangkok Chao Phraya River 10 8 9 Chaiyaphum Chi River 11 9 10 Kalasin Chi River 12 10 11 Maha Sarakham Chi River 13 11 12 Ubon Ratchathani Chi River 14 12 13 Loei Hueang River 15 13 14 Chiang Rai Ing River 16 14 15 Phayao Ing River 17 15 16 Kanchanaburi Khwae Yai River 18 113.53 17 Tak Khwae Yai River 19 87.41 18 Chiang Mai Kok River 20 14.88 19 Chiang Rai Kok River 21 45.64 20 Buriram Lam Takhong River 22 11.02 21 Chiang Mai Li River 3.81 22 Lamphun Li River 15.1 23 Loei Loei River Negligible 24 Ayutthaya Lop Buri River 73.31 25 Saraburi Lop Buri River 1869.37 26 Kanchanaburi Mae Klong River West flowing rivers between Tadri and Kanyakumari 1.3 27 Nakhon Pathom Mae Klong River West flowing rivers between Tapi and Tadri 2 28 Ratchaburi Mae Klong River Tapi 3 29 Tak Mae Klong River Narmada 4 30 Chiang Rai Mae Sai River Mahi 5 31 Bueng Kan Mekong River Sabarmati 6 32 Chiang Rai Mekong River 33 Loei Mekong River 34 Nakhon Phanom Mekong River 35 Nong Khai Mekong River 36 Mukdahan Mekong River 37 Ubon Ratchathani Mekong River 38 Mae Hong Son Moei River 39 Buriram Mun River 40 Nakhon Ratchasima Mun River 41 Sisaket Mun River 42 Ubon Ratchathani Mun River 43 Chachoengsao Nakhon Nayok River 44 Nakhon Sawan Nan River 45 Nan Nan River 46 Phichit Nan River 47 Phitsanulok Nan River 48 Uttaradit Nan River 49 Ayutthaya Noi River 50 Ayutthaya Pa Sak River 51 Loei Pa Sak River 52 Lop Buri Pa Sak River 53 Phetchabun Pa Sak River 54 Saraburi Pa Sak River 55 Mae Hong Son Pai River 56 Pattani Pattani River 57 Yala Pattani River 58 Kanchanaburi Phachi River 59 Ratchaburi Phachi River 60 Phetchaburi Phetchaburi River 61 Chiang Mai Ping River 62 Kamphaeng Phet Ping River 63 Lamphun Ping River 64 Nakhon Sawan Ping River 65 Tak Ping River 66 Prachinburi Prachin Buri River 67 Chiang Rai Ruak River 68 Chainat Sakae Krang River 69 Kamphaeng Phet Sakae Krang River 70 Nakhon Sawan Sakae Krang River 71 Mae Hong Son Salween River 72 Nakhon Si Thammarat Tapi River 73 Chainat Tha Chin River 74 Nakhon Pathom Tha Chin River 75 Samut Sakhon Tha Chin River 76 Suphan Buri Tha Chin River 77 Nakhon Si Thammarat Trang River 78 Trang Trang River 79 Nan Wa River 80 Chiang Rai Wang River 81 Lampang Wang River 82 Tak Wang River 83 Chiang Rai Yom River 84 Nakhon Sawan Yom River 85 Phayao Yom River 86 Phichit Yom River 87 Phitsanulok Yom River 88 Phrae Yom River