The Holy Trinity Column is a baroque-style monument located in the historic center of Olomouc, Czech Republic. It was built between 1716 and 1754, and was designed by the Moravian architect Wenzel Render. The column is an example of a plague column, which were common in the 17th and 18th centuries as a way of commemorating the victims of plague epidemics.

The column is made of stone and is decorated with sculptures and reliefs depicting various saints and religious figures. At the top of the column is a statue of the Holy Trinity, which is surrounded by angels and other figures. The column stands over 35 meters tall and is considered one of the most significant monuments of its kind in Europe.

The Holy Trinity Column was added to the UNESCO World Heritage List in 2000, along with other monuments in the historic center of Olomouc. It is considered a masterpiece of Baroque art and a symbol of the city's cultural and spiritual heritage.