The following is a list of first deputy chairmen of the State Council of Bulgaria.
In the 1971–1990 period, the chairmen of the State Council — Todor Zhivkov (1971–1989) and Petar Mladenov (1989–1990) — were the heads of state of Bulgaria. The first deputy chairmen of the State Council were deputy heads of state. The State Council was abolished on April 3, 1990.
| First Deputy Chairman | Term of office | Political party | Chairman | ||||
|---|---|---|---|---|---|---|---|
| # | Portrait | Name | Took office | Left office | Duration | ||
| 1 |  | Krastyu Trichkov Кръстю Тричков (1923–2008) | 8 July 1971 | 27 July 1972 | 1 year, 19 days | Bulgarian Communist Party | Todor Zhivkov |
| 2 | Georgi Traykov Георги Трайков (1898–1975) [1] | 27 July 1972 | 1 November 1974 | 2 years, 97 days | Bulgarian Agrarian National Union | Todor Zhivkov | |
| 3 |  | Petur Tanchev Петър Танчев (1920–1992) [2] [3] | 1 November 1974 | 14 December 1989 | 15 years, 43 days | Bulgarian Agrarian National Union | Todor Zhivkov Petar Mladenov |
| 4 | | Angel Dimitrov Ангел Димитров (1927–2005) [4] | 14 December 1989 | 3 April 1990 | 110 days | Bulgarian Agrarian National Union | Petar Mladenov |