- Alternate names: Belarusian, Belorussian, Bielorussian, Byelorussian, White Russian, White Ruthenian; Also, in Azerbaijan: Belarusan, Belarussian; in Poland: Byelorussian, White Russian
- Dialects: Central Belarusan, Grodnen-Baranovich, Northeast Belarusan, Polots, Slutska-Mazyrski, Slutsko-Mozyr, Southwest Belarusan, Viteb-Mogilev
- Scriptures published:
- Bible (1973)
- New Testament (1931)
- Portions (1517 — 1995)
- Literacy: No information available.
Second Language: No information available.
- Primary country: Belarus
- Also used in: Azerbaijan, Canada, Czech Republic, Estonia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Republic of Moldova, Poland, Russian Federation, Tajikistan, Turkmenistan, Ukraine, United States, Uzbekistan
- Religion: Christian, Muslim
- Status: Statutory national language in Belarus
- Number of users: 3,188,730 (6,720,000 in Belarus (Johnstone and Mandryk 2001); 5,210 in Azerbaijan (2000); 220,000 in Poland (Johnstone and Mandryk 2001))
- Vitality: National
(data from Ethnologue and other sources)