| Sesayap Tidong | |
| Nativename: | Northern Tidung |
| States: | Malaysia |
| Region: | Borneo |
| Ethnicity: | Tidung people |
| Speakers: | Perhaps 20,000, including the Nonukan Tidong spoken in Malaysia |
| Date: | 2000 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | North Bornean |
| Fam4: | Southwest Sabahan |
| Fam5: | Murutic |
| Fam6: | Northern |
| Iso3: | ntd |
| Glotto: | nort3262 |
| Glottorefname: | Northern Tidung |
Sesayap Tidong or Northern Tidung is one of several Sabahan languages of Sabah, Malaysia, spoken by the Tidong people. It retains the system of Austronesian alignment that has been lost by Southern Tidung in Kalimantan, Indonesia.