| Râmnicul Sărat | |
| Name Other: | Râmnicu Sărat |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Vrancea, Buzău, Galați |
| Subdivision Type3: | Towns |
| Subdivision Name3: | Râmnicu Sărat |
| Length: | 137km (85miles) |
| Discharge1 Location: | |
| Discharge1 Avg: | 2.54m3/s |
| Source1: | Mount Furul Mare |
| Source1 Location: | Romania |
| Source1 Coordinates: | 45.6244°N 26.6111°W |
| Source1 Elevation: | 1311m (4,301feet) |
| Mouth: | Siret |
| Mouth Location: | Upstream of Nămoloasa, Galați County |
| Mouth Coordinates: | 45.525°N 27.5222°W |
| Basin Size: | 1063km2 |
| Tributaries Left: | Motnău, Coțatcu |
The Râmnicul Sărat or Râmnicu Sărat is a right tributary of the river Siret in Romania.[1] It discharges into the Siret in Belciugele.[2] The total length of the Râmnicul Sărat from its source to its confluence with the Siret is 137km (85miles).[3] Its basin area is 1063km2.[3] Its upper course, above the confluence with the Martin, is sometimes called Mălușel.
The following towns and villages are situated along the river Râmnicul Sărat, from source to mouth: Jitia, Jitia de Jos, Luncile, Tulburea, Chiojdeni, Dumitreștii de Sus, Dumitrești, Biceștii de Jos, Mucești-Dănulești, Alexandru Odobescu, Buda, Toropălești, Ceairu, Gura Făgetului, Dedulești, Băbeni, Tăbăcari, Răducești, Oratia, Podgoria, Poșta, Râmnicu Sărat, Valea Râmnicului, Rubla, Râmnicelu, Colibași, Știubei, Fotin, Lunca, Plopi, Puieștii de Sus, Măcrina, Puieștii de Jos, Nicolești, Dăscălești, Codrești, Spătăreasa, Ciorăști, Mihălceni, Salcia Veche, Vâjâitoarea, Tătăranu, Râmniceni, Tătaru, Belciugele and Măicănești.
The following rivers are tributaries to the Râmnicul Sărat (from source to mouth):
Left: Sărățel, Cerbu, Râmnicel, Săritoarea, Tulburea, Rotăria, Motnău, Căprăria, Bădila, Mocanca, Coțatcu, Bălan
Right: Martin, Moldoveanul (or Recea), Ulmușor (or Pârâul Sărat), Râul Vacii Rele, Cătăuț, Buda, Izvorul Pietrelor, Băbeni, Muncelu, Greabăn, Putreda
A major battle took place near the river in 1789, during the Russo-Turkish War (1787–1792). It became known as the Battle of Rymnik.