# Rus

Rus or RUS may refer to:

## People

* East Slavic historical peoples (Русь). See Names of Rus', Russia and Ruthenia
** Rus' people, the people of Rus'
** Rus, a legendary eponymous ancestor, see Lech, Czech and Rus
* Rus (surname), a surname found in Romania and elsewhere

## Historical places

* Kievan Rus', a medieval East Slavic state, centered in Kiev
* Rus' Khaganate, a ninth-century Eastern European state
* Ruthenia
* Vladimirian Rus', or Vladimir-Suzdal, an East Slavic medieval state, centered in Vladimir
* Halychian Rus', or Principality of Halych, an East Slavic medieval state, in region of Halych
* Volhynian Rus', or Principality of Volhynia, an East Slavic medieval state, in regions of Volhynia
* Halych-Volhynian Rus', or Kingdom of Galicia–Volhynia, an East Slavic medieval state, uniting Halych and Volhynia
* Kingdom of Rus', or Galicia-Volhynia, an East Slavic medieval kingdom
* Turovian Rus', or Principality of Turov, an East Slavic medieval state, in region of Turov
* Polotskian Rus', or Principality of Polotsk, an East Slavic medieval state, in region of Polotsk
* Novgorodian Rus', or Novgorod Republic, an East Slavic medieval state, centered in Novgorod
* Muscovite Rus', or Grand Duchy of Moscow, an East Slavic medieval state, centered in Moscow
* Tsardom of Rus', or Tsardom of Russia, an East Slavic early modern state, centered in Moscow
* Minor Rus', or Little Russia, an East Slavic historical region
* Great Rus', or Great Russia, an East Slavic historical region
* White Rus', or White Ruthenia, an East Slavic historical region
* Red Rus', or Red Ruthenia, an East Slavic historical region
* Black Rus', or Black Ruthenia, an East Slavic historical region
* Carpathian Rus', or Carpathian Ruthenia, an East Slavic historical region inhabited mostly by Rusyns (Rusynia), and a 1918–1919 provisional autonomous region, known as the "Rusyn Land"
* Subcarpathian Rus', or Carpathian Ruthenia, an administrative region of the First Czechoslovak Republic
* Western Rus (disambiguation)
* Principality of Rus' (disambiguation)
* Grand Principality of Rus' (disambiguation)

## Acronyms

* Rajshahi University School
* Réacteur Université de Strasbourg, a French nuclear research reactor
* Resonant ultrasound spectroscopy, a laboratory technique
* Route utilisation strategy
* Rural Utilities Service, an agency of the United States Department of Agriculture
* Raptor Upper Stage, a version of the SpaceX Raptor rocket engine

## Codes

* rus, the ISO 639-2 code for the Russian language
* RUS, the ISO 3166-1 alpha-3 code for the Russian Federation
* RUS, the IATA airport code for Marau Airport

## Other places

* Ruś (disambiguation), the name of several Polish villages
* Rus, Jaén, a municipality in the Province of Jaén, Spain
* Rus, Sălaj, a commune in Sălaj County, Romania
* Ruse, Bulgaria, Bulgaria
* Ruski Krstur, Vojvodina, Serbia
* Rus, a village in Dumbrăviţa Commune, Maramureș County, Romania
* Rushall railway station, Melbourne

## Other uses

* Rus (1903), a Russian newspaper published intermittently from 1903 to 1908
* Rus (special forces), a unit of interior troops of the Russian Federation
* Rus-M, a cancelled Russian space rocket program