| Fontenelle | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Fontenelle (Aisne).svg |
| Arrondissement: | Vervins |
| Canton: | Vervins |
| Insee: | 02324 |
| Postal Code: | 02170 |
| Mayor: | Corinne Lustenberger[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Thiérache du Centre |
| Coordinates: | 50.0314°N 3.8664°W |
| Elevation M: | 210 |
| Elevation Min M: | 172 |
| Elevation Max M: | 223 |
| Area Km2: | 10.47 |
Fontenelle is a commune in the Aisne department in Hauts-de-France in northern France.