| Black Springs Baptist Church | | — | — | — | |
| Black Springs Baptist Church | | — | 144 Gaston Drive, Norman, AR | — | |
| Black Swamp Baptist Church | | — | — | — | |
| Black Swamp Church | | — | — | — | |
| Black Valley Church | | — | — | — | |
| Black Walnut Church | | — | — | — | |
| Black Water Church | | — | — | — | |
| Black's Chapel United Methodist Church | | — | — | — | |
| Blackball Community Church | | — | 45 Roa Road, Blackball, 7804 | — | |
| Blackberry Baptist Church | | — | — | — | |
| Blackberry Church | | — | — | — | |
| Blackbird Church | | — | — | — | |
| Blackbraes & Shieldhill Parish Church | | — | Main Street, Falkirk, FK1 2DT | — | |
| Blackburn Cathedral | | — | Blackburn | — | |
| Blackburn Chapel | | — | — | — | |
| Blackburn Chapel | | — | — | — | |
| Blackburn Chapel Cumberland Presbyterian Church | | — | — | — | |
| Blackburn Church | | — | — | — | |
| Blackburn Church | | — | — | — | |
| Blackburn Church | | — | — | — | |
| Blackburn Hamlet Community Church | | — | 2598 Innes Road | — | |
| Blackburn Presbyterian Church | | — | — | — | |
| Blackburn Seventh Day Adventist Church | | — | — | — | |
| Blackbutt Uniting Church | | — | — | — | |
| Blackduck Evangelical Free Church | | — | 241 Oscar Ave SW, Blackduck, MN 56630 | — | |
| Blackfield Baptist Church | | — | Hampton Lane, Southampton, SO45 1XA | — | |
| Blackfoot Calvary Bible Church | | — | — | — | |
| Blackfoot Christian Fellowship | | — | — | — | |
| Blackfoot Church | | — | — | — | |
| Blackfoot Church | | — | — | — | |
| Blackfoot Church | | — | — | — | |
| Blackfoot Church | | — | — | — | |
| Blackford Baptist Church | | — | 6795 State Route 2181, Hawesville, 42348 | — | |
| Blackford Parish Church | | — | Blackford | — | |
| Blackford United Methodist Church | | — | — | — | |
| Blackhall Methodist Church | | — | 19 Ninth Street, Hartlepool, TS27 4EX | — | |
| Blackhall St. Columba's Church | | — | Columba Road, Edinburgh, EH4 3QU | — | |
| Blackhawk Church | | — | 9620 Brader Way | — | |
| Blackhawk Church | | — | 5935 Astor Drive, Fitchburg, WI 53711 | — | |
| Blackhawk Ministries | | — | — | — | |
| Blackheath & Charlton Baptist Church | | — | — | — | |
| Blackheath Baptist Church | | — | 6 Bundarra Street, Blackheath | — | |
| Blackheath Baptist Church | | — | — | — | |
| Blackheath Quaker Meeting House | | — | Lawn Terrace, London, SE3 9LL | — | |
| Blackheath Uniting Church | | — | 43 Govetts Leap Road | — | |
| Blackhill and Shotley Bridge Uniting Methodist Church | | — | Wesley Street, Consett, DH8 0AA | — | |
| Blackhill Baptist Church | | — | Consett, DH8 8JG | — | |
| Blackhorse Road Baptist Church | | — | Blackhorse Road, London, E17 7AS | — | |
| Blackington Union Church | | — | 1373 Massachusetts Avenue | — | |
| Blackjack Church | | — | 15645 Rocky Dell Hollow Road, Gravette, AR 72736 | — | |