Una, town, southwestern Himachal Pradesh state, northern India. It lies along the Soan River at an elevation of 1,815 feet (550 metres), about 60 miles (95 km) northwest of Shimla, the state capital.
Una was formerly an important commercial centre, but it declined after all-weather roads were constructed that bypassed the town. Agriculture and horticulture, mainly orchards, are the basis of the economy. Manufactures include paints and varnishes, plastic bags, resin, and turpentine. Una has a government college affiliated with Himachal Pradesh University at Shimla. Pop. (2001) 15,900; (2011) 18,722.