Sankt Bruno, Catholic church building in Klettenberg, Cologne, Germany

Sankt Bruno is a Catholic parish church in Cologne-Klettenberg, built 1924–1926 to plans by Ludwig Becker. The street facade is set back slightly, forming a small plateau; the massive wartime-surviving tower with a copper bell roof and entrance porch stands toward Klettenberggürtel, flanked by symmetrical side buildings. The basilican nave has a gabled roof, lower narrow aisles with lean-to roofs, and a lower choir apse lit by deep-set concrete tracery windows added after the war.

The parish of St. Nikolaus in Sülz planned a branch church from 1914, and in 1919 Ludwig Becker was commissioned to design a church with 950 seats and 1200 standing places. Cardinal Karl Joseph Schulte laid the foundation stone on 1 June 1925 and consecrated St. Bruno on 10 October 1926. Air raids in 1942 and 1944 destroyed the roof, windows and most of the building; only the tower and outer walls survived. A first reconstruction by Hans Hansen was consecrated in 1949, followed by a fundamental conversion and later renovations.

The parish grew out of St. Nikolaus in Sülz, which from 1914 sought a branch church for Klettenberg. The building is dedicated to Bruno, the medieval Archbishop of Cologne. Inside, the 1957 triumphal cross of silver and enamel was funded by parishioners who donated jewellery and table silver; the tabernacle is shaped as the Ark of the Covenant.

The building sits in a well-connected neighborhood with good public transport links and bus stops located nearby. Visitors can easily walk to the church and find residential areas and local amenities surrounding the site.

The tower survived the 1944 air raid that left only exterior walls standing, and its copper-covered curved helm still houses the entrance porch. The four bells were recast in cast steel by the Bochumer Verein in 1948 after three of the original 1929 Otto bells were melted down in the war; their strike tones are h0–d1–e1–g2.