| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4501  | Huai Nong Lat Huai Nong Lat,hwy hnxng lad,ห้วยหนองลาด | Thailand, Bueng Kan | stream | N 18° 16′ 13'' | E 103° 25′ 35'' |
| 4502 | Khlong Nong Khla Khlong Nong Khla,khlxng hnxng khla,คลองหนองคล้า | Thailand, Phichit | canal | N 16° 18′ 25'' | E 100° 11′ 12'' |
| 4503 | Khlong Nong Kha Nang Khlong Nong Kha Nang,khlxng hnxng khanang,คลองหนองขานาง | Thailand, Phichit | canal | N 16° 13′ 8'' | E 100° 12′ 40'' |
| 4504 | Khlong Nong Kaeo Khlong Nong Kaeo,คลองหนองแก้ว | Thailand, Prachin Buri | stream | N 14° 11′ 31'' | E 101° 36′ 20'' |
| 4505 | Nong Fai Tham Nong Fai Tham,hnxng fay tham,หนองฝายทาม | Thailand, Nong Bua Lamphu | pond | N 17° 3′ 36'' | E 102° 25′ 39'' |
| 4506 | Khlong Nong Bon Khlong Nong Bon,khlxng hnxng bxn,คลองหนองบอน | Thailand, Trat | stream | N 12° 12′ 26'' | E 102° 38′ 51'' |
| 4507 | Huai Nok Kok Huai Nok Kok,hwy nk kk,ห้วยนกกก | Thailand, Ubon Ratchathani | intermittent stream | N 14° 54′ 47'' | E 105° 31′ 0'' |
| 4508 | Huai Noi Huai Noi,hwy nxy,ห้วยน้อย | Thailand, Uttaradit | intermittent stream | N 17° 52′ 10'' | E 101° 0′ 7'' |
| 4509 | Nam Ngoen Nam Ngoen,nangein,น้ำเงิน | Thailand, Phayao | stream | N 19° 13′ 28'' | E 100° 19′ 36'' |
| 4510 | Huai Ngao Noi Huai Ngao Noi,hwy ngaw nxy,ห้วยงาวน้อย | Thailand, Udon Thani | intermittent stream | N 17° 34′ 23'' | E 102° 23′ 8'' |
| 4511 | Nam Ngaen Nam Ngaen,น้ำแงน | Thailand, Nan | stream | N 19° 31′ 28'' | E 100° 54′ 44'' |
| 4512 | Khlong Ngae Khlong Ngae,คลองแงะ | Thailand, Songkhla | stream | N 6° 47′ 3'' | E 100° 26′ 50'' |
| 4513 | Khlong Na Thawi Khlong Na Thawi,khlxng nathwi,คลองนาทวี | Thailand, Songkhla | stream | N 6° 53′ 37'' | E 100° 45′ 46'' |
| 4514 | Khlong Na Thap Khlong Na Thap,khlxng na thab,คลองนาทับ | Thailand, Songkhla | stream | N 7° 0′ 37'' | E 100° 40′ 58'' |
| 4515 | Huai Nam Rit Huai Nam Rit,hwy na rid,ห้วยน้ำริด | Thailand, Uttaradit | intermittent stream | N 17° 54′ 17'' | E 100° 22′ 25'' |
| 4516 | Huai Nam Rang Huai Nam Rang,hwy na rang,ห้วยน้ำราง | Thailand, Udon Thani | stream | N 17° 55′ 16'' | E 102° 14′ 14'' |
| 4517 | Nam Phang Nam Phang,na phang,น้ำพาง | Thailand, Nan | stream | N 18° 39′ 24'' | E 101° 1′ 30'' |
| 4518 | Nam Mo Nam Mo,na mx,น้ำมอ | Thailand, | stream | N 16° 53′ 28'' | E 102° 17′ 47'' |
| 4519 | Nam Mae Thang Nam Mae Thang,na mæ thang,น้ำแม่ถาง | Thailand, Phrae | stream | N 18° 13′ 24'' | E 100° 14′ 2'' |
| 4520 | Nam Mae Sala Nam Mae Sala,na mæ sa la,น้ำแม่สะละ | Thailand, Phayao | stream | N 19° 12′ 12'' | E 100° 27′ 57'' |
| 4521 | Nam Mae Haeng Nam Mae Haeng,na mæ hæng,น้ำแม่แหง | Thailand, Lampang | stream | N 18° 46′ 21'' | E 100° 0′ 40'' |
| 4522 | Nam Mae Chua Nam Mae Chua,na mæ cawa,น้ำแม่จั๊วะ | Thailand, Phayao | stream | N 19° 1′ 13'' | E 100° 15′ 59'' |
| 4523 | Nam Loei Nam Loei,na ley,น้ำเลย | Thailand, Phetchabun | stream | N 17° 4′ 40'' | E 101° 29′ 21'' |
| 4524 | Khlong Na Khu Khlong Na Khu,khlxng na khu,คลองนาคู | Thailand, Phra Nakhon Si Ayutthaya | canal | N 14° 28′ 10'' | E 100° 13′ 28'' |
| 4525 | Nong Mum Nong Mum,hnxng mum,หนองมุม | Thailand, Bueng Kan | pond | N 18° 19′ 2'' | E 103° 18′ 22'' |
| 4526 | Huai Mukhe Huai Mukhe,hwy mukhe,ห้วยมุเค | Thailand, Nakhon Phanom | stream | N 17° 27′ 1'' | E 104° 42′ 23'' |
| 4527 | Nam Muap Nam Muap,na mwb,น้ำมวบ | Thailand, Nan | stream | N 18° 58′ 34'' | E 100° 54′ 15'' |
| 4528 | Huai Muang Huai Muang,hwy mwng,ห้วยม่วง | Thailand, Chiang Rai | stream | N 19° 53′ 49'' | E 100° 24′ 41'' |
| 4529 | Huai Muang Huai Muang,hwy mwng,ห้วยม่วง | Thailand, Nan | stream | N 19° 8′ 23'' | E 100° 42′ 47'' |
| 4530 | Nam Mong Nam Mong,na mong,น้ำโมง | Thailand, Nan | stream | N 19° 17′ 16'' | E 100° 42′ 22'' |
| 4531 | Kut Mon Kut Mon,kud mn,กุดมน | Thailand, Yasothon | pond | N 15° 39′ 16'' | E 104° 10′ 50'' |
| 4532 | Huai Mo Huai Mo,hwy hmx,ห้วยหม้อ | Thailand, Phitsanulok | intermittent stream | N 17° 32′ 41'' | E 100° 50′ 26'' |
| 4533 | Huai Nam Mit Huai Nam Mit,hwy na mid,ห้วยน้ำมีด | Thailand, Nan | stream | N 19° 19′ 57'' | E 100° 50′ 19'' |
| 4534 | Huai Mayom Huai Mayom,hwy maym,ห้วยมะยม | Thailand, Uttaradit | stream | N 17° 55′ 48'' | E 100° 36′ 58'' |
| 4535 | Nam Mao Mok Huai Mao,Nam Mao | Thailand, Nan | stream | N 18° 56′ 0'' | E 101° 7′ 0'' |
| 4536 | Nam Mao Nam Mao,na maw,น้ำมาว | Thailand, Phayao | stream | N 19° 7′ 33'' | E 100° 16′ 23'' |
| 4537 | Huai Mae Mao Huai Mae Mao,hwy mæmea,ห้วยแม่เมา | Thailand, Phayao | intermittent stream | N 19° 8′ 47'' | E 100° 14′ 10'' |
| 4538 | Huai Manao Huai Manao,hwy manaw,ห้วยมะนาว | Thailand, Loei | stream | N 17° 17′ 24'' | E 101° 15′ 3'' |
| 4539 | Huai Nam Man Huai Nam Man,hwy na hma n,ห้วยน้ำหมาน | Thailand, Loei | stream | N 17° 30′ 40'' | E 101° 44′ 4'' |
| 4540 | Huai Makha Huai Makha,hwy makha,ห้วยมะค่า | Thailand, Sa Kaeo | stream | N 14° 6′ 45'' | E 102° 12′ 38'' |
| 4541 | Huai Mai Huai Mai,hwy hmay,ห้วยหม้าย | Thailand, Phrae | stream | N 18° 23′ 32'' | E 100° 9′ 4'' |
| 4542 | Ao Mahachai Ao Mahachai,xaw mhachay,อ่าวมหาชัย | Thailand, Samut Sakhon | bay | N 13° 28′ 55'' | E 100° 16′ 59'' |
| 4543 | Huai Mafai Yai Huai Mafai Yai,ห้วยมะไฟใหญ่ | Thailand, Ubon Ratchathani | intermittent stream | N 14° 54′ 33'' | E 105° 26′ 4'' |
| 4544 | Huai Maeng Huai Maeng,ห้วยแมง | Thailand, Uttaradit | stream | N 17° 36′ 2'' | E 100° 31′ 39'' |
| 4545 | Mae Nam Sai Buri Mae Nam Sai Buri,แม่น้ำสายบุรี | Thailand, Pattani | stream | N 6° 42′ 48'' | E 101° 37′ 59'' |
| 4546 | Khlong Lam Mada Khlong Lam Mada,khlxng la mada,คลองลำมะดา | Thailand, Phetchabun | canal | N 15° 56′ 7'' | E 101° 2′ 58'' |
| 4547 | Khlong Lung Krat Khlong Lung Krat,khlxng lung krad,คลองลุงกราด | Thailand, Sa Kaeo | stream | N 14° 3′ 34'' | E 102° 52′ 41'' |
| 4548 | Nong Luang Nong Luang,hnxng hlwng,หนองหลวง | Thailand, Nong Khai | pond | N 17° 43′ 28'' | E 102° 44′ 29'' |
| 4549 | Nong Luang Nong Luang,hnxng hlwng,หนองหลวง | Thailand, Sakon Nakhon | pond | N 17° 23′ 50'' | E 103° 22′ 47'' |
| 4550 | Khlong Luang Khlong Luang,khlxng lwng,คลองลวง | Thailand, Phetchabun | canal | N 15° 52′ 42'' | E 101° 4′ 28'' |
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