| Fanny Augusta Ahlfors | |
| Birth Date: | March 21, 1884 |
| Death Date: | January 13, 1947 |
| Nationality: | Finnish |
| Occupation: | Social Democratic politician. |
Fanny Augusta Ahlfors (March 21, 1884 - January 13, 1947) was a Finnish Social Democratic politician. She was a member of the Parliament of Finland between 1919 - 27 and 1930 - 33 from the constituency of Turku Province North. Ahlfors was also a member of the electoral college for selecting the President of Finland in 1925 and 1931. She was born and died in Pori.