Mateusz Gniazdowski (born 1974 in Warsaw)[1] is a Polish political scientist, expert on Central European issues.

He was deputy head of the PISM Research Office[5] and coordinator of the programme for bilateral relations in Europe.

[10] He concluded his tenure as head of the Polish Embassy in Prague on July 31 and was recalled to the headquarters in Warsaw.

[1] In his academic work, he primarily focused on the history of Polish-Czech and Polish-Slovak relations in the 20th century.

He was chairman of the Policy Board of the Czech-Polish Forum,[13] a member of the Polish-Slovak Commission for the Humanities at the Ministry of Science and Higher Education of Poland, and at the Ministry of Education, Science, Research and Sport of Slovakia.