St. Hilarius Heinsheim, Choir tower church in Heinsheim, Bad Rappenau, Germany.

St. Hilarius Heinsheim is a choir tower church whose squat, nearly nave-wide tower is topped by a pyramidal roof and rises no higher than the ridge of the single-aisle nave. The nave faces east toward the choir in the tower's base, and the triumphal arch and choir vault ribs survive from the early Gothic period. The tower was built in its present form in 1250, and the nave was rebuilt in 1374.

The structure was built between the 7th and 8th centuries and ranks among the oldest religious buildings in southwestern Germany. Over the centuries it was modified several times and served for extended periods as a burial site for local nobility.

The church is dedicated to St. Hilarius, a dedication reflected in the 1500s wall paintings of Hilarius and Maximus in bishop's robes, flanked by kneeling Ehrenberg knights with banners. Services are still held here by the Protestant parish, alternating with the Schlosskapelle in Heinsheim.

The building sits in the town center of Heinsheim and is easily accessible on foot. Access is generally available, but it is wise to check opening times ahead of time, especially if you are interested in a guided tour or special viewing.

The ceiling paintings with the four evangelist symbols date from around 1250, to the time the tower was built, not to a modern restoration. They came to light again in 1957, when the wall and ceiling frescoes in the choir were uncovered; the north-wall fresco was found in 1963.