…
| Fluss | Alternativname | Einmündung in | Gesamtlänge [km] | Einzugsgebiet [km²] |
|---|---|---|---|---|
| Abava | Abau | Venta | 129 (134) | 2'042 |
| Aiviekste | Ewst | Daugava | 114 (182) | 9'300 |
| Bārta | Bartau, lit:Bartuva | Liepāja-See | 103 | 2'016 |
| Bērze | Behrse | Svēte | 109 | 915 |
| Daugava | Düna, russ.: Sapadnaja Dwina | Bucht von Riga | 1'020 (1'005) | 87'900 |
| Dienvidsusēja | Sussey | Mēmele | 114 | 1'210 |
| Dubna | Dubna | Daugava | 120 (105) | 2'780 |
| Gauja | Livländische Aa, estn.: Koiva | Bucht von Riga | 452 | 8'900 (9'080) |
| Iecava | Eckau | Lielupe | 139 (160) | 1.166 |
| Kūkova | Kuchwa, ru: Kuchwa | Welikaja | 107 | 825 |
| Lielupe | Kurländische Aa | Bucht von Riga | 119 (116) | 17'600 |
| Ludza | Ludse | Rītupe | 155 | 1'570 |
| Malta | Malta | Rēzekne | 115 (105) | 730 |
| Mazā Jugla | Kleine Jägel | Lielā Jugla | 119 | 679 |
| Mēmele | Kurländische Memel, lit: Nemunėlis | Lielupe | 191 | 4'050 |
| Mūsa | Muß, lit: Mūša | Lielupe | 164 | 5'320 |
| Misa | Misse | Iecava | 108 | 970 |
| Ogre | Oger | Daugava | 186 (188) | 1'730 |
| Pededze | Peddetz, estn.: Pedetsi | Aiviekste | 159 | 1'690 |
| Rēzekne | Rositte | Lubāns | 116 | 2'066 |
| Rītupe | Schogowo, russ.: Утроя/Utroja | Welikaja | 176 | 3'012 |
| Stende | Stende | Irbe | 100 (91) | 1'100 |
| Svēte | Swehte | Lielupe | 123 | 2'390 |
| Venta | Windau | Ostsee | 346 | 11'800 |
| Zilupe | Rosenau, russ.: Sinjucha/Sinjaja | Welikaja | 195 | 2'040 |