Atanas Georgiev Semerdzhiev (21 May 1924 – 8 May 2015) was a Bulgarian politician. He served as the Vice President of Bulgaria from 1 August 1990 to 22 January 1992, under Zhelyu Zhelev. He was Army Chief of Staff from 1962 until the fall of communism in 1989. He was a member of the Bulgarian Socialist Party (BSP).