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 and   Portugal
 | 
| Ardila River
 | 
| Bidasoa | 
  France and   Spain
 | 
| Blies | 
  France and   Germany
 | 
| Bug River | 
  Belarus and   Poland,   Ukraine and   Poland
 | 
| Caia | 
  Spain and   Portugal
 | 
| Chanza River
 | 
| Danube | 
  Germany and   Austria nearby Passau,    Austria and   Slovakia,   Croatia and   Serbia,   Hungary and   Slovakia,   Romania and   Bulgaria,   Romania and   Ukraine,   Serbia and   Romania
 | 
| Daugava River | 
  Latvia and   Belarus
 | 
| Derkul | 
  Ukraine and   Russia
 | 
| Dnieper | 
  Belarus and   Ukraine
 | 
| Dniester | 
  Ukraine and   Moldova
 | 
| Douro | 
  Portugal and   Spain
 | 
| Drava | 
  Croatia and   Hungary
 | 
| Drina | 
  Bosnia and Herzegovina and   Serbia
 | 
| Elbe | 
  Czech Republic and   Germany
 | 
| Flöha
 | 
| Foyle | 
  Republic of Ireland and   United Kingdom (Northern Ireland)
 | 
| Guadiana | 
  Portugal and   Spain
 | 
| Inn | 
  Austria and   Germany
 | 
| Grense Jakobselv | 
  Norway and   Russia
 | 
| Kirnitzsch | 
  Czech Republic and   Germany
 | 
| Kolpa | 
  Croatia and   Slovenia
 | 
| Lauter | 
  Germany and   France
 | 
| Lusatian Neisse | 
  Germany and   Poland
 | 
| Lys | 
  Belgium and   France
 | 
| Malše | 
  Austria and   Czech Republic
 | 
| Maritsa (Evros/Meriç) | 
  Greece and   Turkey
 | 
| Meuse | 
  Belgium and   The Netherlands
 | 
| Minho | 
  Portugal and   Spain
 | 
| Morava | 
  Austria and   Slovakia,   Czech Republic and   Slovakia
 | 
| Moselle | 
  Germany and   Luxembourg
 | 
| Mura | 
  Croatia and   Slovenia
 | 
| Narva | 
  Estonia and   Russia
 | 
| Neman River | 
  Belarus and   Lithuania,   Russia (Kaliningrad) and   Lithuania
 | 
| Niers | 
  Germany and   The Netherlands
 | 
| Oder | 
  Germany and   Poland
 | 
| Paatsjoki (Pasvikelva) | 
  Norway and   Russia
 | 
| Prut | 
  Romania and   Moldova,   Ukraine and   Romania
 | 
| Rezovo | 
  Bulgaria and   Turkey
 | 
| Rhine | 
  Germany and   France,   Germany and    Switzerland,   Germany and   The Netherlands,    Switzerland and   Liechtenstein
 | 
| Sava | 
  Bosnia and Herzegovina and   Croatia,   Croatia and   Serbia
 | 
| Seversky Donets | 
  Ukraine and   Russia
 | 
| Sozh | 
  Belarus and   Ukraine
 | 
| Tana River (Norway) | 
  Finland and   Norway
 | 
| Termon
 | 
  Ireland and   United Kingdom of Great Britain and Northern Ireland
 | 
| Thaya | 
  Austria and   Czech Republic
 | 
| Tisza | 
  Romania and   Ukraine,   Ukraine and   Hungary
 | 
| Torne | 
  Sweden and   Finland
 | 
| Vadakste | 
  Latvia and   Lithuania
 | 
Asia
See also