| Marfontaine | |
| Commune Status: | Commune |
| Arrondissement: | Vervins |
| Canton: | Marle |
| Insee: | 02463 |
| Postal Code: | 02140 |
| Mayor: | Daniel Hu[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Thiérache du Centre |
| Coordinates: | 49.8044°N 3.7706°W |
| Elevation M: | 100 |
| Elevation Min M: | 99 |
| Elevation Max M: | 171 |
| Area Km2: | 9.21 |
Marfontaine (in French pronounced as /maʁfɔ̃tɛn/) is a commune in the Aisne department in Hauts-de-France in northern France.