| Alladian | |
| States: | Ivory Coast |
| Speakers: | 23,000 |
| Date: | 1993 |
| Ref: | e18 |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Kwa |
| Fam4: | Avikam–Alladian |
| Iso3: | ald |
| Glotto: | alla1248 |
| Glottorefname: | Alladian |
Alladian (Alladyan, Allagia, Allagian) is one of the Lagoon languages of Ivory Coast. It is a Kwa language, closely related to Avikam, but otherwise its position is unclear.