| Kaniasso Department | |
| Native Name: | Département de Kaniasso |
| Native Name Lang: | fr |
| Settlement Type: | Department |
| Subdivision Type: | Country |
| Subdivision Type1: | District |
| Subdivision Name1: | Denguélé |
| Subdivision Type2: | Region |
| Subdivision Name2: | Folon |
| Seat Type: | Departmental seat |
| Seat: | Kaniasso |
| Established Title: | 2011 |
| Established Date: | Established via a division of Minignan Dept |
| Government Footnotes: | [1] |
| Leader Title: | Prefect |
| Leader Name: | Thomas Lasme |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 3430 |
| Population Footnotes: | [3] |
| Population Total: | 84572 |
| Population As Of: | 2021 census |
| Population Density Km2: | auto |
| Timezone: | GMT |
| Utc Offset: | +0 |
Kaniasso Department is a department of Folon Region in Denguélé District, Ivory Coast. In 2021, its population was 84,572 and its seat is the settlement of Kaniasso. The sub-prefectures of the department are Goulia, Kaniasso and Mahandiana-Sokourani.
Kaniasso Department was created in 2011 as part of the restructuring of the subdivisions of Ivory Coast, when departments were converted from the second-level administrative subdivisions of the country to the third-level subdivisions. It was created by splitting Minignan Department.