| Sihan | |
| States: | Papua New Guinea |
| Region: | Madang Province |
| Speakers: | 570 |
| Date: | 2003 |
| Ref: | e18 |
| Familycolor: | Papuan |
| Fam1: | Trans–New Guinea |
| Fam2: | Madang |
| Fam3: | Croisilles linkage |
| Fam4: | Mabuso? |
| Fam5: | Gum |
| Iso3: | snr |
| Glotto: | siha1245 |
| Glottorefname: | Sihan (Gum) |
Sihan is a Papuan language of Papua New Guinea.