The Regional Party of Lithuania and White Ruthenia was a political party of major Polish-speaking (mostly of Belarusian origin) nobility and landlords (so called krajowcy) living on the lands of the former Grand Duchy of Lithuania (what is now Republic of Lithuania and Belarus) in early 20th century.
- Country
- Poland, Lithuania, Belarus
- Headquarters
- Vilnius
- Inception
- June 18, 1907
