Rus

Rus (Cyrillic: Русь), or RUS may refer to:

Rus' (name), the transliteration of the Slavic name for Ruthenia
- Rus' (region), the associated territory
- Rus' people, the people of Rus'
Rus (surname), a Romanian-language and Slovenian-language surname

Acronyms

Rus' Khaganate, a state in Eastern Europe (9th century)
Kievan Rus', an East Slavic medieval state, centered in Kiev
Vladimirian Rus', an East Slavic medieval state, centered in Vladimir
Halychian Rus', an East Slavic medieval state, in region of Halych
Volhynian Rus', an East Slavic medieval state, in regions of Volhynia
Halych-Volhynian Rus', an East Slavic medieval state, uniting Halych and Volhynia
Kingdom of Rus', an East Slavic medieval kingdom (Galicia-Volhynia)
Turovian Rus', an East Slavic medieval state, in region of Turov
Polotskian Rus', an East Slavic medieval state, in region of Polotsk
Novgorodian Rus', an East Slavic medieval state, centered in Novgorod
Muscovite Rus', an East Slavic medieval state, centered in Moscow
Tsardom of Rus', an East Slavic early modern state, centered in Moscow
Minor Rus', an East Slavic historical region
Great Rus’, an East Slavic historical region
White Rus', an East Slavic historical region
Black Rus', an East Slavic historical region
Red Rus', an East Slavic historical region
Carpathian Rus', a historical region inhabited mostly by Rusyns (Rusynia)
Subcarpathian Rus' (1918-1919), provisional autonomous region, known as the "Rusyn Land"
Subcarpathian Rus' (1919-1938), administrative region of the First Czechoslovak Republic
Autonomous Subcarpathian Rus' (1938-1939), autonomous region of the Second Czechoslovak Republic

Unofficial name of Prospective Piloted Transport System, a Russian proposed manned spacecraft
Raptor Upper Stage or Raptor prototype upper-stage engine, a development of the Raptor rocket engine funded by USAF
Resonant ultrasound spectroscopy, a laboratory technique
Réacteur Université de Strasbourg, a French nuclear research reactor