Louis Pio | |
|---|---|
 Louis Pio (c. 1875) | |
| Born | 14 December 1841 |
| Died | 27 June 1894 (aged 52) |
| Occupation(s) | Journalist, socialist political organizer |
| Known for | Founding Danish Social Democratic Party |
Louis Albert François Pio (14 December 1841 – 27 June 1894) was a Danish politician who founded and served as the first chairman of the Danish Social Democratic Party from 1872 to 1874 and again from 1876 to 1878.