| Aksu | |
| Settlement Type: | District |
| Official Name: | Ақсу ауданы |
| Mapsize: | 300px |
| Mapsize1: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Kazakhstan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Jetisu Region |
| Subdivision Type2: | Administrative center |
| Subdivision Name2: | Zhansugirov |
| Leader Title: | Akim (mayor) |
| Leader Name: | Bazarkhanov Yesim Seylkhanovich[1] |
| Established Title: | Founded |
| Established Date: | 1930 |
| Unit Pref: | Imperial |
| Population As Of: | 2013 |
| Population Total: | 40242 |
| Timezone: | East |
| Utc Offset: | +6 |
Aksu District (Kazakh: Ақсу ауданы, Kazakh: Aqsu audany) is a district of Jetisu Region in Kazakhstan. The administrative center of the district is the settlement of Zhansugirov.[2] The population of the district according to the 2013 estimate is 40,242. Asku District has 3 villages, 54 settlements, and 15 rural districts, held within a size of 4864.9 mi² (12 600 km²).
Part of the district borders Lake Balkhash, and partly occupies Lake Alakol, and the Zhetysu Alatau.