- Bishopwearmouth Christ Church, (Church of England)
- Bishopwearmouth Good Shepherd, (Church of England)
- Bishopwearmouth Sans Street Wesleyan Methodist Church, (Methodist)
- Bishopwearmouth Smyrna Presbyterian Chapel, (Presbyterian)
- Bishopwearmouth St. Gabriel, (Church of England)
- Bishopwearmouth St. Mary Roman Catholic Chapel, (Roman Catholic)
- Bishopwearmouth St. Mary the Virgin, (Church of England)
- Bishopwearmouth St. Michael and All Angels, (Church of England)
- Bishopwearmouth St. Nicholas, (Church of England)
- Bishopwearmouth St. Peter, (Church of England)
- Bishopwearmouth St. Thomas, (Church of England)
- Bishopwearmouth Unitarian Chapel, (Unitarian)
- Blackhall Colliery Methodist Chapel, (Methodist)
- Blackhall Hesleden Road Wesleyan Methodist Church, (Methodist)
- Blackhall Middle Street Primitive Methodist Church, (Methodist)
- Blackhall St. Andrew, (Church of England)
- Blackhall, St. Joseph Roman Catholic Church, (Roman Catholic)
- Blackhill Park Road Methodist Church, (Methodist)
- Blackhill St. Aidan, (Church of England)
- Blackhill St. Mary, formerly Our Blessed Lady Immaculate, Roman Catholic Church, (Roman Catholic)
- Blackhill United Methodist Circuit, (Methodist)
- Blackhill United Methodist Free Church, (Methodist)
- Blackhill, Benfieldside Methodist Church, Durham Road (formerley Wesleyan), (Methodist)
- Blackhill, Benfieldside, St. Andrew Presbyterian, later United Reformed Church, (Presbyterian)
- Blanchland (Northumberland) St. Mary, (Church of England)
- Blanchland Baybridge Methodist Church, (Methodist)
- Bolam St. Andrew, (Church of England)
- Boldon St. Nicholas, (Church of England)
- Borrowby and Osmotherly Preparative Meeting, (Society of Friends)
- Bowburn Christ the King, (Church of England)
- Bowburn Durham Road Church, (Methodist)
- Bowburn St. John, (Church of England)
- Bowburn Wesleyan Methodist Church, (Methodist)
- Bowden Close Wesleyan Methodist Church, (Methodist)
- Bowes Preparative Meeting, (Society of Friends)
- Bowes St. Giles, (Church of England)
- Bradbury Methodist Church, (Methodist)
- Brafferton Methodist Church, (Methodist)
- Brancepeth Colliery Methodist New Connexion Church, (Methodist)
- Brancepeth St. Brandon, (Church of England)
- Brandon and Deerness Valley Methodist Circuit, (Methodist)
- Brandon Colliery Mount Calvary Church, later Brandon St. Andrew, (Methodist)
- Brandon Colliery St. Agatha, (Church of England)
- Brandon Colliery Trinity Wesleyan Methodist Church, (Methodist)
- Brandon Primitive Methodist Circuit, (Methodist)
- Brandon St. Andrew Methodist Church, formerly Brandon Colliery Mount Calvary Church, (Methodist)
- Brandon St. John, (Church of England)
- Brecon Hill (Lumley) Methodist Church, (Methodist)
- Brignall St. Mary, (Church of England)
- Broompark Methodist New Connexion Church, (Methodist)
Durham Record Office
Durham County Record Office: the official archive service for County Durham and Darlington
