| Nguluwan | |
| States: | Federated States of Micronesia |
| Region: | Ngulu Atoll |
| Pushpin Map: | Southeast Asia |
| Coordinates: | 8.45°N 137.34°W |
| Speakers: | 50 |
| Date: | 2000 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Admiralty Islands ? |
| Fam5: | Yapese |
| Iso3: | nuw |
| Glotto: | ngul1236 |
| Glottorefname: | Nguluwan |
Nguluwan is a mixed language spoken on Ngulu Atoll located between Yap and Palau. The grammar and lexicon are Yapese, but the phonology has been affected by Ulithian. This language is endangered as it only has 50 speakers and that its speakers are shifting to Ulithian.