| Club | League/Division | Lvl | Nickname | Formed | Change from 2024–25 |
|---|
| Bacup Borough | North West Counties League Division One North | 10 | Borough | 1879 |
| Badshot Lea | Combined Counties League Premier Division South | 9 | Baggies | 1904 | From Isthmian League One South Central |
| Baffins Milton Rovers | Wessex League Premier Division | 9 | tbc | 2011 |
| Baldock Town | Spartan South Midlands League Premier Division | 9 | Reds | 2003 |
| Balham | Combined Counties League Premier Division South | 9 | tbc | 2011 |
| Bamber Bridge | Northern Premier League Premier Division | 7 | Brig | 1952 |
| Banbury United | Southern League Premier Division Central | 7 | Puritans | 1931 |
| Banstead Athletic | Southern Counties East League Division One | 10 | A's | 1944 | From Southern Combination League One |
| Barking | Essex Senior League | 9 | Blues | 1896 |
| Barkingside | Eastern Counties League Division One South | 10 | Sky Blues | 1898 |
| Barnet | EFL League Two | 4 | Bees | 1888 | From National League |
| Barnoldswick Town | North West Counties League Premier Division | 9 | Barlick | 1972 |
| Barnsley | EFL League One | 3 | Tykes | 1887 |
| Barnstaple Town | Western League Premier Division | 9 | Barum | 1904 |
| Barnton | North West Counties League Division One South | 10 | Villagers | 1946 |
| Barrow | EFL League Two | 4 | Bluebirds | 1901 |
| Barton Rovers | Southern League Division One Central | 8 | Rovers | 1898 |
| Barton Town | Northern Counties East League Premier Division | 9 | Swans | 1995 |
| Barwell | Southern League Premier Division Central | 7 | Kirkby Roaders | 1992 |
| Basford United | Northern Premier League Division One Midlands | 8 | Basses | 1900 | From Northern Premier League Premier |
| Bashley | Southern League Division One South | 8 | Bash | 1947 |
| Basildon Town | Eastern Counties League Division One South | 10 | tbc | 1946 |
| Basildon United | Essex Senior League | 9 | Bees | 1955 | From Isthmian League One North |
| Basingstoke Town | Southern League Premier Division South | 7 | Dragons | 1896 |
| Bath City | National League South | 6 | Romans | 1889 |
| Beaconsfield Town | Southern League Division One Central | 8 | Rams | 1994 |
| Bearsted | Southern Counties East League Premier Division | 9 | Bears | 1895 |
| Beckenham Town | Isthmian League South East Division | 8 | Becks | 1971 |
| Bedfont | Combined Counties League Division One | 10 | Yellows | 2012 |
| Bedfont Sports | Isthmian League South Central Division | 8 | Eagles | 2002 | From Combined Counties League Premier North |
| Alcester Town | Hellenic League Division One | 10 | Romans | 1927 | From Herefordshire League Premier |
| Bedford Town | National League North | 6 | Eagles | 1908 | From Southern League Premier Central |
| Bedworth United | Northern Premier League Division One Midlands | 8 | Greenbacks | 1895 |
| Belper Town | Northern Premier League Division One Midlands | 8 | Nailers | 1883 | From Northern Premier League One East |
| Belper United | United Counties League Premier Division North | 9 | tbc | 1921 |
| Belstone | Spartan South Midlands League Division One | 10 | tbc | 1983 | From Combined Counties League One |
| Bemerton Heath Harlequins | Wessex League Premier Division | 9 | Harlequins | 1989 | From Southern League One South |
| Benfleet | Essex Senior League | 9 | tbc | 1922 |
| Berkhamsted | Southern League Premier Division South | 7 | Comrades | 2009 | From Southern League Premier Central |
| Berks County | Combined Counties League Division One | 10 | Swords | 2009 | From Combined Counties League Premier North |
| Beverley Town | Northern Counties East League Premier Division | 9 | tbc | 1902 |
| Bewdley Town | Hellenic League Division One | 10 | Riversiders | 1978 |
| Bexhill United | Southern Combination League Premier Division | 9 | Pirates | 2002 |
| Bideford | Southern League Division One South | 8 | Robins | 1883 |
| Biggleswade | Southern League Premier Division One Central | 8 | tbc | 2016 |
| Biggleswade Town | Southern League Division One Central | 8 | Waders | 1874 | From Southern League Premier Central |
| Biggleswade United | Spartan South Midlands League Premier Division | 9 | United | 1959 |
| Billericay Town | Isthmian League Premier Division | 7 | Blues | 1880 |
| Billingham Synthonia | Northern League Division Two | 10 | Synners | 1923 |
| Billingham Town | Northern League Division Two | 10 | Billy Town | 1967 |
| Billingshurst | Southern Combination League Division One | 10 | Hurst | 1891 |
| Bilston Town | Midland League Division One | 10 | Steelmen | 1894 |
| Binfield | Isthmian League South Central Division | 8 | Moles | 1892 |
| Birmingham City | EFL Championship | 2 | Blues | 1875 | From EFL League One |
| Birstall United | Midland League Division One | 10 | tbc | 1961 |
| Birtley Town | Northern League Division One | 9 | Green & White Army | |
| Bishop Auckland | Northern Premier League Division One East | 8 | Bishops | |
| Bishop's Cleeve | Southern League Division One South | 8 | Mitres | |
| Bishops Lydeard | South West Peninsula League Premier Division East | 10 | tbc | |
| Bishop's Stortford | Southern League Premier Division Central | 7 | Bishops | |
| Bitton | Western League Division One | 10 | River Boys | |
| Blackburn Rovers | EFL Championship | 2 | Rovers | |
| Blackfield & Langley | Wessex League Division One | 10 | Watersiders | | From Wiltshire League Premier |
| Blackpool | EFL League One | 3 | Seasiders | |
| Blackstones | United Counties League Premier Division North | 9 | Stones | | From United Counties League One |
| Blyth Spartans | Northern Premier League Division One East | 8 | Spartans | | From Northern Premier League Premier |
| Blyth Town | Northern Premier League Division One East | 8 | Braves | | From Northern League One |
| Bognor Regis Town | Isthmian League South Central Division | 8 | Rocks | | From Isthmian League Premier |
| Boldmere St. Michaels | Northern Premier League Division One Midlands | 8 | Mikes | |
| Boldon Community Association | Northern League Division Two | 10 | tbc | |
| Bolton Wanderers | EFL League One | 3 | Trotters | |
| Bootle | Northern Premier League Division One West | 8 | Bucks | |
| Boreham Wood | National League | 5 | Wood | | From National League South |
| Boro Rangers | Northern League Division One | 9 | tbc | |
| Boston Town | United Counties League Premier Division North | 9 | Poachers | |
| Boston United | National League | 5 | Pilgrims | |
| Bottesford Town | Northern Counties East League Premier Division | 9 | Poachers | |
| Bourne Town | Northern Premier League Division One Midlands | 8 | Wakes | | From United Counties League Premier North |
| Bournemouth | Wessex League Premier Division | 9 | Poppers | |
| Bovey Tracey | South West Peninsula League Premier Division East | 10 | Moorlanders | |
| Bowers & Pitsea | Isthmian League North Division | 8 | Bowers | | From Isthmian League Premier |
| Brackley Town | National League | 5 | Saints | | From National League North |
| Bracknell Town | Southern League Premier Division South | 7 | Robins | |
| Bradford City | EFL League One | 3 | Bantams | | From EFL League Two |
| Bradford (Park Avenue) | Northern Premier League Division One East | 8 | Avenue | |
| Bradford Town | Western League Premier Division | 9 | Brad | | From Western League One |
| Braintree Town | National League | 5 | Iron | |
| Brantham Athletic | Isthmian League North Division | 8 | Blue Imps | | From Eastern Counties League Premier |
| Brentford | Premier League | 1 | Bees | |
| Brentwood Town | Isthmian League Premier Division | 7 | Blues | | From Isthmian League One North |
| Bridgwater Town | Western League Premier Division | 9 | Robins | |
| Bridlington Town | Northern Premier League Division One East | 8 | Seasiders | |
| Bearsted | Southern Counties East League Division One | 10 | Ropes | |
| Bridport | South West Peninsula League Premier Division East | 10 | Bees | |
| Brigg Town | Northern Counties East League Division One | 10 | Zebras | |
| Brighouse Town | Northern Premier League Division One East | 8 | Town | |
| Brightlingsea Regent | Isthmian League North Division | 8 | R's | |
| Brighton & Hove Albion | Premier League | 1 | Seagulls | |
| Brimscombe & Thrupp | Hellenic League Division One | 10 | Lilywhites | | From Hellenic League Premier |
| Brimsdown | Eastern Counties League Division One South | 10 | Limers | |
| Brislington | Western League Premier Division} | 9 | Foxes | | From Western League One |
| Bristol City | EFL Championship | 2 | Robins | |
| Bristol Manor Farm | Southern League Division One South | 8 | Farm | |
| Bristol Rovers | EFL League Two | 4 | Pirates | | From EFL League One |
| Bristol Telephones | Western League Division One | 10 | Phones | |
| British Airways | Combined Counties League Premier Division North | 9 | tbc | |
| Brixham | Southern League Division One South | 8 | Fishermen | | From Western League Premier |
| Broadbridge Heath | Isthmian League South East Division | 8 | Bears | |
| Broadfields United | Combined Counties League Premier Division North | 9 | Limers | |
| Brockenhurst | Wessex League Premier Division | 9 | Badgers | |
| Brocton | Midland League Premier Division | 9 | Badgers | |
| Bromley | EFL League Two | 4 | Ravens | |
| Bromsgrove Sporting | Southern League Premier Division Central | 7 | Rouslers | |
| Brook House | Combined Counties League Division One | 10 | Brook | |
| Buckhurst Hill | Essex Senior League | 9 | tbc | |
| Buckingham | Spartan South Midlands League Division One | 10 | Ath | |
| Buckland Athletic | Western League Premier Division | 9 | Bucks | |
| Bude Town | South West Peninsula League Premier Division West | 10 | tbc | |
| Bugbrooke St Michaels | United Counties League Premier Division South | 9 | Badgers | |
| Burgess Hill Town | Isthmian League Premier Division | 7 | Hillians | | From Isthmian League One South East |
| Burnham | Combined Counties League Premier Division North | 9 | Blues | |
| Burnham Ramblers | Eastern Counties League Division One South | 10 | Ramblers | |
| Burnley | Premier League | 1 | Clarets | | From EFL Championship |
| Burscough | North West Counties League Premier Division | 9 | Linnets | |
| Burton Albion | EFL League One | 3 | Brewers | |
| Bury | Northern Premier League Division One West | 8 | Shakers | | From North West Counties League Premier |
| Bury Town | Southern League Premier Division Central | 7 | Blues | | From Isthmian League One North |
| Buxton | National League North | 6 | Bucks | |
|
