Ruthenia (disambiguation)
# Ruthenia (disambiguation)

Ruthenia may refer to:

* Ruthenia, a name applied to various East Slavic lands
   * Red Ruthenia, an East Slavic historical region
   * Black Ruthenia, an East Slavic historical region
   * White Ruthenia, an East Slavic historical region
* Carpathian Ruthenia, an East Slavic region (Rusynia) on the both sides of Carpathian Mountains
   * Inner Carpathian Ruthenia, sub-region of Carpathian Ruthenia on the inner side of Carpathian Mountains
   * Outer Carpathian Ruthenia, sub-region of Carpathian Ruthenia on the outer side of Carpathian Mountains
   * Subcarpathian Ruthenia, relative term, most commonly used for the Inner Carpathian Ruthenia
   * Ciscarpathian Ruthenia, relative term, most commonly used for the Outer Carpathian Ruthenia
   * Transcarpathian Ruthenia, relative term, used in different geographical contexts, depending on a point of observation
* Kingdom of Ruthenia, an East Slavic kingdom in the 13th century
* Voivodeship of Ruthenia, a province of the early modern Kingdom of Poland
* Grand Principality of Ruthenia (1658), a proposed state (1658)
* Ruthenium oxide, via the *-ia terminology for metal oxides
