| Deg | |
| Nativename: | Mo |
| Region: | Ghana |
| Speakers: | 27,500 |
| Date: | 2003 |
| Ref: | e18 |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Gur |
| Fam4: | Southern |
| Fam5: | Gurunsi |
| Fam6: | Western |
| Iso3: | mzw |
| Glotto: | degg1238 |
| Glottorefname: | Deg |
Deg (also known as Aculo, Buru, Degha, Janela, Mmfo, or Mo) is a Gur (Gurunsi) language of Ghana, with also 1,100 speakers in Ivory Coast.
Vagla is a related language.