| Luigi Fabbri | |
| Birth Date: | 23 December 1877 |
| Birth Place: | Fabriano, Ancona, Kingdom of Italy |
| Death Date: | 24 June 1935 |
| Death Place: | Montevideo, Uruguay |
| Education: | University of Macerata |
| Occupation: | Writer, anarchist activist |
| Spouse: | Bianca Sbriccoli |
| Children: | Luce and Vero |
Luigi Fabbri (1877–1935) was an Italian anarchist, writer, and educator, who was charged with defeatism during World War I. He was the father of Luce Fabbri.