| Heinrich Joseph Horwitz | |
| Birth Date: | 28 April 1824 |
| Birth Place: | Putzig, Kingdom of Prussia (Puck, Poland) |
| Office1: | Prussian House of Representatives |
| Term Start1: | 1877 |
| Term End1: | 1879 |
| Constituency1: | Liebenwerda, Torgau |
| Office2: | Member of the Reichstag |
| Term Start2: | 1883 |
| Term End2: | 1887 |
| Term Start3: | 1890 |
| Term End3: | 1893 |
| Constituency2: | Liebenwerda |
| Party: | National Liberal Party Liberal Union (Germany) German Free-minded Party |
| Occupation: | lawyer |
Heinrich Joseph Horwitz (28 April 1824 – 17 November 1899) was a German lawyer and liberal politician.
Horwitz was born in Putzig, Kingdom of Prussia (Puck, Poland), he was born to Jewish parents but later converted to Lutheranism. Horwitz started to study medicine at the University of Berlin but switched to law at the University of Heidelberg, he began to practise as a lawyer in Bad Liebenwerda in 1858 and in Grünberg (Zielona Góra) in 1862. In 1867 Horwitz moved to Berlin, where he became a town councillor in 1870. In 1877 he was elected a member of the Prussian House of Representatives and a member of the Reichstag from 1883 to 1887 and from 1890 to 1893. He represented the National Liberal Party, the Liberal Union (Germany) and the German Free-minded Party.[1]
Horwitz died in Berlin in 1899.[2] [3]