| Full name | Confederation of Independent Trade Unions of Bulgaria |
|---|---|
| Founded | 1990 |
| Members | 390,000 |
| Country | Bulgaria |
| Affiliation | ITUC, ETUC |
| Key people | Zhelyazko Hristov, president |
| Office location | Sofia, Bulgaria |
| Website | www.knbs-bg.org |
The Confederation of Independent Trade Unions of Bulgaria (KNSB/CITUB) is a trade union confederation in Bulgaria. It was formed in February, 1990 out of the Central Council of Trade Unions (CCTU).
The KNSB is affiliated with the International Trade Union Confederation, and the European Trade Union Confederation.