Most Reverend Charles Roman Koester | |
|---|---|
| Auxiliary Bishop of St. Louis | |
 | |
| Church | Catholic Church |
| See | Titular See of Suacia |
| In office | February 11, 1971 - September 10, 1991 |
| Orders | |
| Ordination | December 20, 1941 |
| Consecration | February 11, 1971 by John Joseph Carberry |
| Personal details | |
| Born | September 10, 1918 |
| Died | December 24, 1997 (aged 82) St. Louis, Missouri |
Charles R. Koester (September 16, 1915 – December 24, 1997) was an American Bishop of the Catholic Church. He served as an auxiliary bishop of the Archdiocese of St. Louis from 1971 to 1991.