Louis Gerhard De Geer, Swedish lawyer and politician, 1st Prime Minister of Sweden (d. 1896)

Baron Louis Gerard De Geer af Finspång (18 July 1818 – 24 September 1896) was a Swedish statesman and writer. He was born at Finspång Castle in Risinge parish. He was a lawyer, and in 1855 became president of the Göta hovrätt, or lord justice for the appellate court of Götaland. From 7 April 1858 to 3 June 1870 he was Prime Minister for Justice and again from 11 May 1875 to 20 March 1876. As a member of the nobility, he took part in the Swedish Riksdag of the Estates from 1851 onwards. From 1867 to 1878 he was the member for Stockholm in the first chamber in the New Riksdag, where he introduced and passed many useful reforms.