| Abbreviation | Definition |
|---|---|
| CSJ | Congregation of St Joseph |
| CSLP | Christian Service Learning Program |
| CSLR | Center for the Study of Law and Religion |
| CSLW | Center for Spiritual Life and Wholeness |
| CSM | Christian Student Ministries |
| CSM | Congregation of Saint Martha |
| CSMA | Congregation of Saint Michael the Archangel |
| CSMBC | Connecticut State Missionary Baptist Convention |
| CSMBC | Cummings Street Missionary Baptist Church |
| CSN | Calvary Satellite Network |
| CSN | Catholic Secretariat of Nigeria |
| CSN | Christian Satellite Network |
| CSN | Christian Sports Network |
| CSNA | Christian Science Nursing Arts |
| CSNT | Catholic Students Network of Thailand |
| CSO | Christian Science Organization |
| CSO | Christian Science Organizations |
| CSOC | Christ The Savior Orthodox Church |
| CSOC | Christian Students on Campus |
| CSOD | Christian Schools of the Desert |