This is a list of rivers of Romania which entirely or partially flow through Romania.
The length and drainage area represent only the part of the river within Romania.[1]
| River name | Length of the river (km) | Drainage area (km2) | Hydrographic basin (m3/year) |
|---|---|---|---|
| Danube | 1,075 | 33,250[2] | 20,000 |
| Mureș | 761 | 27,890 | 1,044 |
| Prut | 742 | 10,990 | 726 |
| Olt | 615 | 24,050 | 1,682 |
| Siret | 559 | 42,890 | 1,956 |
| Ialomița | 417 | 10,350 | 430 |
| Someș | 376 | 15,740 | 715 |
| Argeș | 350 | 12,550 | 1,672 |
| Jiu | 339 | 10,080 | 2,109 |
| Buzău | 302 | 5,264 | |
| Dâmbovița | 286 | 2,824 | |
| Bistrița | 283 | 7,039 | |
| Jijia | 275 | 5,757 | |
| Târnava | 246[3] | 6,253 | |
| Timiș | 244 | 5,673 | |
| Crișul Alb | 234 | 4,240 | |
| Vedea | 224 | 5,430 | |
| Târnava Mare | 223 | 3,666 | |
| Moldova | 213 | 4,299 | |
| Bârlad | 207 | 7,220 | |
| Târnava Mică | 196 | 2,071 | |
| Prahova | 193 | 3,738 | |
| Neajlov | 186 | 3,720 | |
| Olteț | 185 | 2,663 | |
| Someșul Mic | 178 | 3,773 | |
| Suceava | 173 | 2,298 | |
| Bega | 170 | 2,362 | |
| Arieș | 166 | 3,005 | |
| Trotuș | 162 | 4,456 |