Sankt Augustin is a town in the Rhein-Sieg district, in North Rhine-Westphalia, Germany. It is named after the patron saint of the Divine Word Missionaries, Saint Augustine of Hippo (354-430). The Missionaries established a monastery near the current city centre in 1913. Sankt Augustin is situated about eight km north-east of Bonn and three km south-west of Siegburg.
- 1994–1995: Anke Riefers (SPD)
- 1995: Hans Jaax (SPD) (temporary)
- 1995–1999: Anke Riefers (SPD)
- 1999–present: Klaus Schumacher (CDU)
Sankt Augustin is twinned with:
Town-hall Sankt Augustins
- West Regional Command German Federal Police, (Bundespolizei) headquarter of Border Guards, Group 9 GSG 9 (Grenzschutzgruppe 9)
- Logistics of unified armed forces of Germany (Bundeswehr)
- Berufsgenossenschaftliches Institut für Arbeitsschutz – BGIA, the Occupational Institute for Work Safety
- Carl Adam Petri (1926-2010), computer scientist, led an institute in the GMD Research Center for Information Technology from 1968 to 1991
- Klaus Kinkel (born 1936), lawyer and politician (FDP), former German Minister of Justice and Foreign Affairs
- Ute Wessel (born 1953), gold medal winner in fencing
- Jörg Kuhn (born 1961), art historian, lived in St. Augustin from 1964 to 1984
- Patricia Hanebeck (born 1986), born footballer, born and grew up in Sankt Augustin, former footballer of the ASV Sankt Augustin
- ^ "Amtliche Bevölkerungszahlen". Landesbetrieb Information und Technik NRW (in German). 18 July 2016.