Katusice is a municipality and village in Mladá Boleslav District in the Central Bohemian Region of the Czech Republic. It has about 800 inhabitants.

The villages of Doubravice, Spikaly, Trnová and Valovice are administrative parts of Katusice. Doubravice and Trnová form an exclave of the municipal territory.

The name is derived from the personal name Katous, meaning "the village of Katous' people".

Katusice is located about 10 kilometres (6 mi) west of Mladá Boleslav and 41 km (25 mi) northeast of Prague. It lies in the Jizera Table. The highest point is the hill Bezvel at 340 m (1,120 ft) above sea level.

The first written mention of Katusice is from 1352, when the local church was documented.

Historical population

Year Pop. ±% 1869 1,016 —     1880 1,118 +10.0% 1890 1,145 +2.4% 1900 1,139 −0.5% 1910 1,216 +6.8%	Year Pop. ±% 1921 1,283 +5.5% 1930 1,252 −2.4% 1950 873 −30.3% 1961 980 +12.3% 1970 910 −7.1%	Year Pop. ±% 1980 806 −11.4% 1991 786 −2.5% 2001 796 +1.3% 2011 785 −1.4% 2021 828 +5.5%
Source: Censuses

Katusice is located on the railway line Mělník–Mladějov, but in the off season it is only in operation on weekends.

The main landmark of Katusice is the Church of the Assumption of the Virgin Mary. It is a neo-Gothic church with a Gothic-Renaissance core. It was built in 1853–1857.

• Official website