Apollonia Chapel Eilendorf is a Roman Catholic place of worship in the "Oberdorf" of Aachen's Eilendorf district. It was built in 1774 and is the only one of five chapels in the then independent district of Eilendorf to have survived, making it the oldest sacred building in the village. The entire chapel complex has been a listed building since the 1980s and has been looked after by the "Förderverein zum Erhalt der Apollonia-Kapelle e. V." since 2010.
St. Apollonia is a church building of the Roman Catholic Church in Eilendorf. On January 29, 1958, the Aachen architect Peter Salm was commissioned to plan this new church. Since 2010, St. Apollonia and three other parishes have formed the new overall parish of St. Severin.
St. Severin is a Catholic church built in 1864. The surrounding cemetery has been used since around 1870. In 1988, St. Severin was added to the city of Aachen's list of monuments. Since 2010, St. Severin and three other former parishes have formed the new overall parish of St. Severin.
Versöhnungskirche is a Protestant church in Aachen-Eilendorf. It forms the parish district of the Church of Reconciliation within the Protestant parish of Aachen. The foundation stone was laid in 1969.