The Bulgarian Wikipedia (Bulgarian: Българоезична Уикипедия or Уикипедия на български език) is the Bulgarian-language edition of Wikipedia. It was founded on 6 December 2003, and on 12 June 2015 it passed the 200,000 articles threshold. It is written in the Bulgarian (Cyrillic) Alphabet. As of 4 April 2026, it has 309,175 articles and is the 41st largest Wikipedia edition.

As of 4 April 2026, the Bulgarian Wikipedia has 388,069 registered users and 2001 of them are active users. Bulgarian Wikipedia has a Bulgarian alphabet (Cyrillic) interface and users can include Cyrillic letters for their Wikipedia names. The userboxes and all other personal content is in Cyrillic. This is also due to the need of one username for all Wikipedia languages registrations and edits, while many of the Bulgarian Wikipedians also contribute to the English, French, etc. Wikipedias where Cyrillic nicknames may be hard to read or pronounce.

The Bulgarian Wikipedia was created on 6 December 2003. In 2005 Bulgarian Wikipedia added its 20,000th article and was the 21st largest Wikipedia at the time. Later in 2007 it was the 30th largest Wikipedia by article count, with over 50,000 articles. On 24 May 2010, the distinctive Wikipedia globe logo for the Bulgarian Wikipedia was temporarily altered to include the number 100,000 to commemorate the 100,000 article milestone, it became the 32nd largest Wikipedia by size and now it holds 33rd place with more than 200,000 articles.

As of March 2010 Bulgarian Wikipedia uses only Commons for pictures and multimedia uploads and local uploads are switched off. The existing files are gradually moved to Commons.