Library Directors
| Bernard Locnikar, OSB | 1875-1879 |
| Urban Fischer, OSB | 1879-1887 |
| Francis Mershman, OSB | 1887-1895 |
| Agatho Gehret, OSB | 1895-1898 |
| Willibrord Mahowald, OSB | 1898-1901 |
| Bruno Doerfler, OSB | 1901-1905 |
| Alexius Hoffmann, OSB | 1905-1922 |
| Basil Stegmann, OSB | 1922-1927 |
| Christopher Bayer, OSB | 1927-1934 |
| Oliver Kapsner, OSB | 1934-1939 |
| Benjamin Stein, OSB | 1939-1967 |
| Ronald Roloff, OSB | 1967-1969 |
| Sr. Imogene Blatz, OSB | 1969-1973 |
| Michael D. Kathman | 1973-1980 |
Library Directors of the CSB and SJU Joint Libraries, Media & Archives
| Michael D. Kathman | 1980-2006 |
| Kathy Parker | 2006-2018 |
Library Directors of the CSB and SJU Libraries & Archives
| Kathy Parker | 2018-2023 |
| Gretchen Trkay | 2023- |