Saga Prefecture
| Japanese Name: | 佐賀県 |
|---|---|
| Capital City: | Saga |
| Region: | Kyushu |
| Island: | Kyushu |
| Population: | 833,245 |
| Area: | 2,440.64: |

Saga Prefecture (佐賀県, Saga-ken) is a prefecture in the northwest part of the island of Kyushu, Japan. It touches both the Sea of Japan and the Ariake Sea. The western part of the prefecture is a region famous for producing ceramics and porcelain, particularly the towns of Karatsu, Imari, and Arita. The capital is the city of Saga.