Slavětín is a market town in Louny District in the Ústí nad Labem Region of the Czech Republic. It has about 700 inhabitants.

The village of Kystra is an administrative part of Slavětín.

The name is derived from the personal name Slavata, meaning "Slavata's (court)".

Slavětín is located about 7 kilometres (4 mi) east of Louny and 44 km (27 mi) northwest of Prague. It lies in a mainly agricultural landscape in the Lower Ohře Table. The highest point is at 332 m (1,089 ft) above sea level. The northern municipal border is former by the Ohře River.

The first written mention of Slavětín is from 1269, when Prague bishop Jan III of Dražice received the settlement from King Ottokar II.

Historical population

Year Pop. ±% 1869 689 —     1880 664 −3.6% 1890 693 +4.4% 1900 769 +11.0% 1910 780 +1.4%	Year Pop. ±% 1921 853 +9.4% 1930 896 +5.0% 1950 655 −26.9% 1961 621 −5.2% 1970 577 −7.1%	Year Pop. ±% 1980 495 −14.2% 1991 423 −14.5% 2001 423 +0.0% 2011 463 +9.5% 2021 609 +31.5%
Source: Censuses

Slavětín is located on the railway line Česká Lípa–Postoloprty.

The main landmark of Slavětín is the Church of Saint James the Great. It is a rare medieval monument. It was built in the Romanesque style in the 13th century and rebuilt in the Gothic style in the 14th century. The original tower was replaced by the current one in 1837. In 1880–1881, the church was restored by Josef Mocker.

A notable building is the octagonal Chapel of the Visitation of the Virgin Mary. It was built in the early Baroque style in 1672–1677.

• Konstantin Biebl (1898–1951), poet
• Otto Trefný (1932–2019), physician and politician

• Official website