Gennadi (or Gennady) Ivanovich Gerasimov (Russian: Геннадий Иванович Герасимов; 3 March 1930 – 14 September 2010[1]) was the last Soviet, and then Russian ambassador to Portugal from 1990 to 1995.

Previously he was foreign affairs spokesman for Mikhail Gorbachev and press secretary to Eduard Shevardnadze.

[2] He is noted for coining the expression "Sinatra Doctrine" in reference to Gorbachev's non-intervention policy with respect to other members of the Warsaw Pact.

[3] When asked, during Mikhail Gorbachev's visit to Prague in 1987, what the difference was between the Prague Spring and perestroika, Gerasimov replied: "nineteen years".

[5] He is mentioned in the Billy Bragg song "Moving the Goalposts".