Jean Poperen (9 January 1925, Angers – 23 August 1997) was a French politician.
He left the PCF after the Hungarian Revolution of 1956 and became a founding member of the Unified Socialist Party (PSU) in 1960.
Disagreeing with the PSU's party line, he founded the Union of Socialist Groups and Clubs (UGCS).
Poperen also served in the Michel Rocard government, and was PS deputy for the Rhône from 1973 to 1988.
This article about a Socialist Party of France politician is a stub.