| Blackwood Hills Baptist Church | | — | — | — | |
| Blackwood Methodist | | — | 2 Wesley Road, Blackwood, NP12 1AE | — | |
| Blackwood Methodist Church | | — | Blackwood Road, B74 3PL | — | |
| Blackwood Springs Baptist Church | | — | — | — | |
| Blackwood United Methodist Church | | — | 35 East Church Street, Blackwood, NJ 08012 | — | |
| Blackwood Uniting Church | | — | 266 Main Road, Blackwood | — | |
| Blade Church | | — | — | — | |
| Bladefield Church of God in Christ | | — | — | — | |
| Bladen Union Church | | — | — | — | |
| Bladenboro Church of God | | — | — | — | |
| Bladensburg Baptist Church | | — | — | — | |
| Bladensburg Christian Church | | — | 4135 Bladensburg Road, Ottumwa, IA 52501 | — | |
| Blades Chapel | | — | — | — | |
| Blades United Methodist Church | | — | — | — | |
| Blades-First Haitian Church Of God | | — | 5 East 2nd Street, Seaford, DE 19973 | — | |
| Bladon Methodist Church | | — | — | — | |
| Bladon Springs Methodist Church | | — | — | — | |
| Bladåkers kyrka | | — | — | — | |
| Blaen-y-coed Independent Chapel | | — | — | — | |
| Blaen-y-Cwm Baptist Chapel | | — | Wyndham Street, CF42 5BT | — | |
| Blaenannerch Chapel | | — | Blaenannerch | — | |
| Blaenau Gwent Baptist Church | | — | — | — | |
| Blaenau Gwent Methodist Church | | — | — | — | |
| Blaenavon Evangelical Church | | — | — | — | |
| Blaencefn Chapel | | — | Ferwig, SA43 1RU | — | |
| Blaenffos Baptist Chapel | | — | SA37 0HU | — | |
| Blaenwaun Baptist Chapel | | — | St Dogmaels, SA43 3JL | — | |
| Blagovesztyenszka szerb ortodox templom | | — | — | — | |
| Blagovischenska church | | — | — | — | |
| Blagriff's Well | | — | — | — | |
| Blahoslavená Panna Maria | | — | — | — | |
| Blahoslavené Juliány | | — | — | — | |
| Blahoslavův dům | | — | — | — | |
| Blahotická kaplička | | — | — | — | |
| Blaine Baptist Church | | — | — | — | |
| Blaine Church | | — | — | — | |
| Blaine Free Baptist Church | | — | — | — | |
| Blaine Methodist Church | | — | — | — | |
| Blaine Street Christian Center | | — | — | — | |
| Blaines Branch Church | | — | — | — | |
| Blainsport Mennonite Church | | — | 85 South Blainsport Road, Reinholds, PA | — | |
| Blair Atholl And Struan Parish Church | | — | — | — | |
| Blair Branch Church | | — | — | — | |
| Blair Chapel | | — | — | — | |
| Blair Church | | — | — | — | |
| Blair Congregational Methodist Church | | — | — | — | |
| Blair Metropolitan Church | | — | — | — | |
| Blair Presbyterian Church | | — | 42 Garden of Eden Church Loop, Garden of Eden | — | |
| Blair Ridge Baptist Church | | — | — | — | |
| Blair Road United Methodist Church | | — | 9135 Blair Road, Charlotte, NC 28227 | — | |