This is a List of international river borders. Rivers that form any portion of the border between two countries minimum:
By region
Africa
Countries in Africa
North America
U.S. counties (or county equivalents) sharing a land or water border with Canada Land border
Water border only
South America
Map of South America
Europe
Rivers that form borders between countries in Europe include:
| River | Bordering country |
| Águeda |  Spain/.svg.png) Portugal |
| Ardila River |
| Bidasoa |  France/ Spain |
| Blies | France/ Germany |
| Bug River |  Belarus/ Poland,  Ukraine/ Poland |
| Caia | Spain/ Portugal |
| Chanza River |
| Danube | Germany/ Austria nearby Passau, Austria/ Slovakia,  Croatia/ Serbia,  Hungary/ Slovakia,  Romania/ Bulgaria, Romania/ Ukraine, Serbia/ Romania |
| Daugava River |  Latvia/ Belarus |
| Derkul | Ukraine/ Russia |
| Dnieper | Belarus/ Ukraine |
| Dniester | Ukraine/ Moldova |
| Douro | Portugal/ Spain |
| Drava | Croatia/ Hungary |
| Drina |  Bosnia and Herzegovina/ Serbia |
| Elbe |  Czech Republic/ Germany |
| Flöha |
| Foyle |  Republic of Ireland/.svg.png) United Kingdom (Northern Ireland) |
| Guadiana | Portugal/ Spain |
| Inn | Austria/ Germany |
| Grense Jakobselv |  Norway/ Russia |
| Kirnitzsch | Czech Republic/ Germany |
| Kolpa | Croatia/ Slovenia |
| Lauter | Germany/ France |
| Lusatian Neisse | Germany/ Poland |
| Lys | .svg.png) Belgium/ France |
| Malše | Austria/ Czech Republic |
| Maritsa (Evros/Meriç) |  Greece/ Turkey |
| Meuse | Belgium/ The Netherlands |
| Minho | Portugal/ Spain |
| Morava | Austria/ Slovakia, Czech Republic/ Slovakia |
| Moselle | Germany/ Luxembourg |
| Mura | Croatia/ Slovenia |
| Narva |  Estonia/ Russia |
| Neman River | Belarus/ Lithuania, Russia (Kaliningrad) and Lithuania |
| Niers | Germany/ The Netherlands |
| Oder | Germany/ Poland |
| Paatsjoki (Pasvikelva) | Norway/ Russia |
| Prut | Romania/ Moldova, Ukraine/ Romania |
| Rezovo | Bulgaria/ Turkey |
| Rhine | Germany/ France, Germany/.svg.png) Switzerland, Germany/ The Netherlands, Switzerland/ Liechtenstein |
| Sava | Bosnia and Herzegovina/ Croatia, Croatia/ Serbia |
| Seversky Donets | Ukraine/ Russia |
| Sozh | Belarus/ Ukraine |
| Tana River (Norway) |  Finland/ Norway |
| Termon |
Ireland/ United Kingdom of Great Britain and Northern Ireland |
| Thaya | Austria/ Czech Republic |
| Tisza | Romania/ Ukraine, Ukraine/ Hungary |
| Torne |  Sweden/ Finland |
| Vadakste | Latvia/ Lithuania |
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