| Aput | |
| Also Known As: | Punan Aput |
| States: | Indonesia |
| Region: | West Kalimantan |
| Ethnicity: | Penan people |
| Speakers: | 370 |
| Date: | 1981 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam4: | Central Sarawak |
| Fam5: | Punan–Müller-Schwaner |
| Fam6: | Punan |
| Iso3: | pud |
| Glotto: | puna1267 |
| Glottorefname: | Punan Aput |
Punan Aput, or Aput, is a Punan language of East Kalimantan, Indonesia, one of several spoken by the Punan people.