Hasami (波佐見町, Hasami-chō) is a town located in Higashisonogi District, Nagasaki Prefecture, Japan.

After the Meiji restoration, the villages of Kamihasami and Shimohasami were established with the creation of the modern municipalities system on April 1, 1889.

Kamihasami and Shimohasami merged on June 1, 1956 to form the town of Hasami.

Hasami has a mayor-council form of government with a directly elected mayor and a unicameral town council of 14 members.

Hasami, collectively with the town of Kawatana, contributes one member to the Nagasaki Prefectural Assembly.

In terms of national politics, the city is part of the Nagasaki 3rd district of the lower house of the Diet of Japan.