| Abbreviation | Definition |
|---|---|
| JCPC | Johns Creek Presbyterian Church |
| JELC | Japan Evangelical Lutheran Church |
| JELC | Jerusalem Evangelical Lutheran Church |
| JELC | Jeypore Evangelical Lutheran Church |
| JFC | Jubilee Fellowship Church |
| JICC | James Island Christian Church |
| JISDAC | Jakarta Int Seventh Day Adventist Church |
| JISDAC | Jakarta International Seventh day Adventist Church |
| JLY | Jesus Loves You |
| JMPC | John McMillan Presbyterian Church |
| JNAC | Jesus Name Apostolic Church |
| JNCC | Jesus Name Community Church (Walnut, MS) |
| JPCC | Jakarta Praise Community Church |
| JSMC | James Street Mennonite Church |
| JSOC | Jacobite Syriac Orthodox Church |
| JVBC | Jefferson Valley Baptist Church |
| KAJUDA | KAtholische JUgend DAun |
| KAPC | Korean American Presbyterian Church |
| KBC | Kampala Baptist Church |
| KBC | Kilmington Baptist Church |