The Trinity Column is a plague column in the city of Klagenfurt am Wörthersee. It was commissioned by the Carinthian estates and built in 1680 on the square in front of the Holy Spirit Church. In 1965 the votive monument was moved to its current location on the Old Square.
The column, built in 1680/81, was initially made of wood and stood on the Heiligengeistplatz. Both the hospital and the city's oldest cemetery were located there. The reason for the erection of the monument was to thank the estates and the people of Carinthia for sparing the country from the plague. It was mainly possible to spread it through strict isolation of the city and the hygiene measures introduced. After the siege and subsequent liberation of Vienna from the Turks (1683), it was replaced by a stone version in 1689, which took on the character of a victory column. At its base it commemorates the time of the plague; it is crowned by the defeated crescent moon, above which stands the Christian cross.