| Bloor Community Church | | — | — | — | |
| Bloor Lansdowne Christian Fellowship | | — | 1307 Bloor Street West, Toronto | — | |
| Bloor West Village Baptist Church | | — | 293 South Kingsway, Toronto | — | |
| Bloordale United Church | | — | 4258 Bloor Street West, Etobicoke | — | |
| Blosenbergkirche | | — | 41 Schleiermacherstraße, Leonberg, 71229 | — | |
| Blosenkopfkapelle | | — | — | — | |
| Bloss Memorial Free Will Baptist Church | | — | 716 North Barton Street | — | |
| Blossom Faith International Church Nkpolu | | — | Wali Street, 234 | — | |
| Blossom House | | — | — | — | |
| Blossom United Methodist Church | | — | — | — | |
| Blough Church | | — | — | — | |
| Blount Chapel | | — | — | — | |
| Blount Chapel Baptist Church | | — | — | — | |
| Blount Springs Chapel | | — | 81 Main Street, Hayden, AL 35079 | — | |
| Blount Springs Church | | — | — | — | |
| Blount's Gospel Church | | — | — | — | |
| Blounts Chapel | | — | — | — | |
| Blounts Chapel A.M.E. Church | | — | — | — | |
| Blounts Church | | — | — | — | |
| Blountsille Congregational Christian Church | | — | — | — | |
| Blountsville Baptist Church | | — | 270 College Street, Blountsville, AL 35031 | — | |
| Blountsville United Methodist Church | | — | 1183 College Street, Blountsville, AL 35031 | — | |
| Blountsville United Methodist Church | | — | — | — | |
| Blountsville United Methodist Church Fellowship Hall | | — | 112 Church Street, Blountsville, AL 35031 | — | |
| Blountville Christian Church | | — | 1680 Blountville Boulevard, Blountville, TN 37617 | — | |
| Blountville United Methodist Church | | — | 3390 TN-126, Blountville, 37617 | — | |
| Blouwaterbaai Familiekerk | | — | — | — | |
| Blovstrød Kirke | | — | — | — | |
| Blow Your Trumpet Ministries | | — | 4746 Virginia Avenue, St. Louis, MO 63111 | — | |
| Blowing Cave Baptist Church | | — | 621 Blowing Cave Road, Chestnut Hill, TN | — | |
| Blowing Springs Baptist Church | | — | — | — | |
| Blowtown Church | | — | — | — | |
| Bloxwich Community Church | | — | — | — | |
| Bloxwich Spiritualist Church | | — | — | — | |
| Blucher Methodist Church | | — | — | — | |
| Blue Ash Baptist Church | | — | — | — | |
| Blue Ash Church of Christ | | — | — | — | |
| Blue Ash Church of the Nazarene | | — | — | — | |
| Blue Ash Presbyterian Church | | — | — | — | |
| Blue Ash Presbyterian Church | | — | — | — | |
| Blue Ball Church | | — | — | — | |
| Blue Ball Community Church | | — | 1005 East Main Street, Blue Ball, PA 17506 | — | |
| Blue Ball Mennonite Church | | — | 143 Ewell Road, Blue Ball, PA 17506 | — | |
| Blue Ball Presbyterian Church | | — | — | — | |
| Blue Baptist Church | | — | 70 Berry Street, Blue, OK 74701 | — | |
| Blue Bayou Church | | — | — | — | |
| Blue Bell Free Will Baptist Church | | — | — | — | |
| Blue Bottom Methodist Church | | — | 4620 Old Atherton Road, Jackson County, MO 64058 | — | |
| Blue Branch Baptist Church | | — | 1703 Pacolet Highway, Gaffney, SC 29340 | — | |
| Blue Cane Chapel | | — | — | — | |