Úsobí (German: Pollerskirchen) is a market town in Havlíčkův Brod District in the Vysočina Region of the Czech Republic. It has about 700 inhabitants.

The villages of Chyška and Kosovy are administrative parts of Úsobí.

Úsobí is located about 11 kilometres (7 mi) southwest of Havlíčkův Brod and 13 km (8 mi) northwest of Jihlava. It lies in the Křemešník Highlands. The highest point is a hill at 688 m (2,257 ft) above sea level. There is a set of fishponds supplied by the brook Úsobský potok.

The first written mention of Úsobí is from 1307. In 1789, the village was promoted to a market town.

Historical population

Year Pop. ±% 1869 1,445 —     1880 1,543 +6.8% 1890 1,509 −2.2% 1900 1,462 −3.1% 1910 1,572 +7.5%	Year Pop. ±% 1921 1,577 +0.3% 1930 1,390 −11.9% 1950 957 −31.2% 1961 1,043 +9.0% 1970 901 −13.6%	Year Pop. ±% 1980 840 −6.8% 1991 709 −15.6% 2001 706 −0.4% 2011 659 −6.7% 2021 676 +2.6%
Source: Censuses

There was a 220-year tradition of glass manufacturing, commencing in 1779, with the initial site being the creation of a glass grinder underneath a pond.

The D1 motorway from Prague to Brno runs through the southern part of the municipal territory.

The main landmark of Úsobí is the Church of Saints Peter and Paul. It was originally a Gothic building from the 13th century, rebuilt to its current form in 1759–1760.

• Official website