Sergey Georgiyevich Lapin (Russian: Серге́й Георгиевич Лапин) (15 July [O.S. 2 July] 1912 – 4 October 1990) was a Soviet apparatchik, newspaper editor and diplomat.
Lapin was born in Saint Petersburg. From 1930 to 1932 he studied at the Leningrad Historical Language Institute, and after graduating he went on to work in various positions, including deputy editor, of various Leningrad newspapers until 1940. From 1940 to 1942 he was a student at the Higher Party School of the All-Union Communist Party (bolsheviks).
From 1945 to 1953 he was Deputy Chairman of the Committee for Broadcasting, when in 1953 he began a career in diplomacy as Counsellor at the Embassy of the Soviet Union in East Germany. In 1955 he returned to Moscow to work in the European Department of the Ministry of Foreign Affairs, whilst also holding the position of Secretary of the CPSU at the MFA.
From 19 October 1956 until 16 June 1960 he was located in Vienna, as Ambassador of the Soviet Union to Austria, and then relocated back to Moscow as 1st Deputy Chairman of the USSR State Committee for Cultural Relations with Foreign Countries, whilst also holding the position of Ministry of Foreign Affairs of the Russian Soviet Federative Socialist Republic.
In 1962 he was promoted as Deputy Minister of Foreign Affairs of the USSR, and held this position until 6 April 1965. From 13 April 1965 until 12 April 1967 he was Ambassador of the Soviet Union to the People's Republic of China.