St. Peter und Paul, Parish church in Olching, Germany.

St. Peter and Paul is a neo-Romanesque basilica built from 1899 to 1901 to designs by Moritz von Horstig and executed by Josef Schormüller. Its interior was modelled on the churches of Ravenna, and Munich church painter Josef Bergmann added frescoes between 1923 and 1935, beginning with Christ in a mandorla in the apse.

A church dedicated to Peter and Paul was first mentioned in Olching in 1315, a late Gothic chancel-tower church that stood on today's Nöscherplatz. The present neo-Romanesque basilica was built by Josef Schormüller from 1899 to 1901 to designs by Moritz von Horstig and consecrated on 22 September 1901. The old church was demolished in 1903/04, and in 1909 Olching became an independent parish.

The twin church is Sta. Maria Addolorata in Arco, in the Dolomites, built to Moritz von Horstig's plans and consecrated on 22 September 1907, six years after Olching's church. It is somewhat smaller than the Bavarian basilica. The pairing rests on the shared architect and the same consecration day, not on a parish partnership.

The church stands west of Olching's centre, on the site of the old churchyard that was cleared before 1904. The war memorial and the atonement cross were moved to its western long side during the redesign of Nöscherplatz; both are listed monuments, as is the church itself.

St. Peter and Paul has a twin church: Sta. Maria Addolorata in Arco, in the Dolomites. It is somewhat smaller, was also built to plans by Moritz von Horstig, and was consecrated on 22 September 1907, six years after Olching.