Postřižín is a municipality and village in Mělník District in the Central Bohemian Region of the Czech Republic. It has about 2,000 inhabitants.

Postřižín is located about 13 kilometres (8 mi) north of Prague. It lies in an agricultural landscape, on the border between the Central Elbe Table and Prague Plateau. The highest point is at 274 m (899 ft) above sea level.

The first written mention of Postřižín is in a deed of Duke Bretislav I from 1052.

Historical population

Year Pop. ±% 1869 333 —     1880 390 +17.1% 1890 381 −2.3% 1900 388 +1.8% 1910 388 +0.0%	Year Pop. ±% 1921 369 −4.9% 1930 415 +12.5% 1950 364 −12.3% 1961 377 +3.6% 1970 373 −1.1%	Year Pop. ±% 1980 410 +9.9% 1991 345 −15.9% 2001 316 −8.4% 2011 904 +186.1% 2021 1,817 +101.0%
Source: Censuses

The D8 motorway from Prague to Ústí nad Labem passes through the municipality.

There are no protected cultural monuments. In the centre of Postřižín is a small chapel.

• František Janda-Suk (1878–1955), discus thrower, the first Czech Olympic medalist

• Official website