| Sialum | |
| States: | Papua New Guinea |
| Region: | Huon Peninsula |
| Ethnicity: | 1,000 (2000) |
| Speakers: | 400 |
| Date: | 2000 |
| Ref: | e25 |
| Familycolor: | Papuan |
| Fam1: | Trans–New Guinea |
| Fam2: | Finisterre–Huon |
| Fam3: | Huon |
| Fam4: | Western Huon |
| Iso3: | slw |
| Glotto: | sial1240 |
| Glottorefname: | Sialum |
Sialum is a Papuan language of Sialum Rural LLG (-6.0943°N 147.6034°W), Morobe Province, Papua New Guinea.