Yoshika (吉賀町, Yoshika-chō) is a town located in Kanoashi District, Shimane Prefecture, Japan.

Heavily forested and surrounded by steep mountains, arable land is available along the Takatsu River and its tributaries.

After the Meiji restoration, the villages of Muikaichi and Kakinoki were established on within Kanoashi District, Shimane on April 1, 1889 with the creation of the modern municipalities system.

Yoshioka has a mayor-council form of government with a directly elected mayor and a unicameral town council of 12 members.

In terms of national politics, the town is part of the Shimane 2nd district of the lower house of the Diet of Japan.