Jacek Cichocki (born 17 December 1971) is an independent Polish politician and a former member of the Polish Council of Ministers. Cichocki served as the minister of interior in the second cabinet of Prime Minister Donald Tusk and later as chief of the Chancellery for Tusk and his successor Ewa Kopacz
Cichocki was born in Warsaw on 17 December 1971. He received a bachelor's degree in philosophy and sociology from the University of Warsaw.
Cichocki began his career as an expert on armed conflict and ethnic tensions within the former Soviet Union for the Centre for Eastern Studies in 1992, working for the centre until 2008. Additionally, Cichocki also was employed as a programme assistant at the Stefan Batory Foundation for its East-Central Europe Forum, where he worked from 1995 to 1997. He became deputy director of the Centre for Eastern Studies in 2001. From 2004 to 2007, he served as the head of the centre. Following this term, Cichocki joined the government of Prime Minister Donald Tusk, working as a secretary of state for security services in the Chancellery from 2007 to November 2011.
Jacek is a Polish given name of Greek origin coming from Hyacinth, through the archaic form of Jacenty. Its closely related equivalents are: Jacinto (Spanish and Portuguese), Giacinto (Italian) and Jácint (Hungarian).
The name Hyacinth (Jacek, Jacinto, Giacinto, Jácint) might refer to: