| Lasgerdi | |
| Region: | Iran |
| Ethnicity: | Semnani |
| Speakers: | 1,000 |
| Date: | 2006 census |
| Ref: | e18 |
| Familycolor: | Indo-European |
| Fam2: | Indo-Iranian |
| Fam3: | Iranian |
| Fam4: | Western Iranian |
| Fam5: | Northwestern |
| Fam6: | Semnani |
| Dia1: | Biyabanaki ? |
| Iso3: | lsa |
| Glotto: | lasg1238 |
| Glottorefname: | Lasgerdi |
Lasgerdi is one of the local languages of Semnan Province in northwestern Iran.