| Lamas Quechua | |
| Also Known As: | San Martín Quechua |
| States: | Perú |
| Speakers: | 15,000 |
| Date: | 2000 |
| Ref: | e18 |
| Familycolor: | American |
| Fam1: | Quechua |
| Fam2: | Quechua II |
| Fam3: | Northern |
| Fam4: | Lowland Peruvian |
| Iso3: | qvs |
| Glotto: | sanm1289 |
| Glottorefname: | San Martin Quechua |
Lamas or San Martín Quechua (Lamista, Llakwash Runashimi) is a variety of Quechua spoken in the provinces of Lamas in the Peruvian region of San Martin and in some villages on the river Huallaga in the region of Ucayali. Its speakers are known as Lamistas or Kichwa-Lamista.
Lamas Quechua belongs to Quechua II, subgroup II-B (Lowland Peruvian Quechua).