Kozmice is a municipality and village in Benešov District in the Central Bohemian Region of the Czech Republic. It has about 400 inhabitants.

The villages of Kácova Lhota and Rousínov are administrative parts of Kozmice.

The name is derived from the personal name Kozma (a Czech variant of the name Cosmas), meaning "the village of Kozma's people".

Kozmice is located about 9 kilometres (6 mi) northeast of Benešov and 31 km (19 mi) southeast of Prague. It lies in the Benešov Uplands. The highest point is a nameless hill at 532 m (1,745 ft) above sea level.

The first written mention of Kozmice is from 1350. Until the second half of the 15th century, the village was owned by local noble families, then it was annexed to the Konopiště estate.

Historical population

Year Pop. ±% 1869 545 —     1880 626 +14.9% 1890 678 +8.3% 1900 575 −15.2% 1910 654 +13.7%	Year Pop. ±% 1921 543 −17.0% 1930 460 −15.3% 1950 391 −15.0% 1961 375 −4.1% 1970 358 −4.5%	Year Pop. ±% 1980 309 −13.7% 1991 234 −24.3% 2001 231 −1.3% 2011 274 +18.6% 2021 393 +43.4%
Source: Censuses

There are no railways or major roads passing through the municipality.

The main landmark of Kozmice is the Church of Saint James the Great. It is a Gothic building from the turn of the 13th and 14th centuries, modified in the Baroque style.

• Official website