Sten Heckscher (born 29 July 1942) is a Swedish lawyer and Social Democratic politician.
Even though his father was leader of what later became the Moderate Party, Heckscher himself engaged in Social Democratic politics.
Heckscher served until 2005 when he was appointed chief judge of the Administrative Court of Appeal in Stockholm.
Heckscher was a member of the 1968 Education Investigation (1968 års utbildningsutredning) from 1971 to 1973 and became an aspirant in the Svea Court of Appeal in 1973, and a Legal Clerk in 1974.
Heckscher served as State Secretary in the Ministry of Justice from 1987 to 1991 and as Director General and head of the Swedish Patent and Registration Office from 1991 to 1994.