Kaznějov is a town in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 3,100 inhabitants.

The name was derived from the personal name Kazněj (a variant of the name Kazimír), meaning "Kazněj's (court)".

Kaznějov is located about 14 kilometres (9 mi) north of Plzeň. It lies in the Plasy Uplands. The highest point is the Berdovna hill at 513 m (1,683 ft) above sea level. The brook of Kaznějovský potok flows through the town.

The first written mention of Kaznějov is from 1145, after the monastery in Plasy was founded. The village served as the economic background of the monastery.

In 1997, Kaznějov became a town.

Historical population

Year Pop. ±% 1869 507 —     1880 946 +86.6% 1890 906 −4.2% 1900 911 +0.6% 1910 1,291 +41.7%	Year Pop. ±% 1921 1,391 +7.7% 1930 1,708 +22.8% 1950 1,939 +13.5% 1961 2,120 +9.3% 1970 2,581 +21.7%	Year Pop. ±% 1980 3,267 +26.6% 1991 3,193 −2.3% 2001 2,999 −6.1% 2011 3,031 +1.1% 2021 2,934 −3.2%
Source: Censuses

In the woods of Kaznějov is the largest kaolinite quarry in Central Europe with a production of 320,000 tonnes per year.

Kaznějov is located on the railway line from Plzeň to Most.

There are no significant monuments in the town. The most notable building is the Chapel of Saint John the Baptist that dates from 1893.

• Official website