| Lamboya | |
| Region: | Sumba Island |
| States: | Indonesia |
| Speakers: | 25,000 |
| Date: | 1997 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Central–Eastern |
| Fam4: | Sumba–Flores |
| Fam5: | Sumba–Hawu |
| Fam6: | Sumba |
| Fam7: | Wejewa–Lamboya |
| Iso3: | lmy |
| Glotto: | lamb1273 |
| Glottorefname: | Lamboya |
Lamboya or Laboya is an Austronesian language spoken on Sumba, Indonesia. The population figure may include Gaura, which Ethnologue counts as a dialect of both Lamboya and Kodi.