Eugen Pusić (1 July 1916 – 20 September 2010) was a Croatian jurist, university professor and academician specialized in social affairs and welfare.
When the Partisans liberated Zagreb on 8 May 1945 Pusić was arrested with many other NDH officials, who failed to escape the town, on suspicion of collaboration with occupiers (Nazis and Ustaše).
From 1955 to the mid-1960s, Pusić was a lecturer and extraordinary professor in Zagreb Faculty of Law, as well as actively involved in the Yugoslav Academy of Sciences and Arts, holding posts such as the director of the Juraj Križanić Cabinet of Legal, Political and Social Sciences as well as secretary and member of the Presidency.
Pusić served as an expert at the United Nations on several occasions, providing advice on social affairs and welfare.
The Institute of Social Studies (ISS) in The Hague awarded its honorary doctorate to Eugen Pusić in 1962.