| Duano | |
| Region: | Sumatra, Malaya |
| Ethnicity: | Orang Kuala |
| Speakers: | 16,000 |
| Date: | 2006 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Malayic |
| Iso3: | dup |
| Glotto: | duan1242 |
| Glottorefname: | Duano |
Duano is a Malayic language of Indonesia and Malaysia. In Malaysia the language is moribund, being spoken by only a tenth of the ethnic population.