| Nunukan Tidong | |
| Also Known As: | Southern Tidung |
| States: | Indonesia, Malaysia |
| Region: | Borneo |
| Ethnicity: | Tidung people |
| Speakers: | 27,000 in Indonesia |
| Date: | 2007 |
| Speakers2: | Unknown number across the bay in Sabah |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | North Bornean |
| Fam4: | Southwest Sabahan |
| Fam5: | Murutic |
| Fam6: | Southern |
| Iso3: | itd |
| Glotto: | sout3241 |
| Glottorefname: | Southern Tidung |
Nunukan Tidong or Southern Tidung, is one of several Sabahan languages of Kalimantan, Indonesia, spoken by the Tidong people. It has lost the system of Austronesian alignment retained by Northern Tidung in Sabah, Malaysia.
| Plosive/ Affricate | voiceless | p | t | k | (ʔ) | ||
|---|---|---|---|---|---|---|---|
| voiced | b | d | dʒ | ɡ | |||
| Fricative | s | ||||||
| Nasal | m | n | ɲ | ŋ | |||
| Rhotic | r | ||||||
| Lateral | l | ||||||
| Approximant | w | j | |||||
| High | i | u | ||
|---|---|---|---|---|
| Mid | ə | |||
| Low | a |