| Tsong | |
| Also Known As: | Nsong, Ntsuo |
| Nativename: | Itsong |
| States: | Democratic Republic of the Congo |
| Date: | 2008 |
| Ref: | e18 |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Benue–Congo |
| Fam4: | Bantoid |
| Fam5: | Bantu (Zone B) |
| Fam6: | Boma–Dzing (B.80) |
| Dia1: | Mpiin |
| Iso3: | soo |
| Glotto: | song1299 |
| Glottorefname: | Nsong-Mpiin |
| Guthrie: | B.85D |
| Elp: | 10900 |
| Elpname: | Nsong |
Tsong or Nsong (ISO "Songo") is a Bantu language of the Democratic Republic of the Congo. It was once misclassified as a dialect of Yansi.