harles Church (Estonian: Kaarli kirik) is a Lutheran church in Tallinn, Estonia, built 1862-1870 to plans by Otto Pius Hippius. It is Tallinn's grandest 19th-century church.
The church is designed in the tradition of Western European Cathedrals, with two western towers flanking a rose window, and built in a Romanesque Revival style. The church has a Latin cross plan, and is in effect a hall church, the ceiling being held aloft without the use of pillars (according to a solution thought out by Hippius in collaboration with R. von Bernhardt). The apse is decorated by a fresco by Johann Köler, the first fresco in Estonia made by an ethnic Estonian. The church still houses the bells of the original, wooden church, cast in Stockholm in 1696.