| Bretz | Uppland, Småland, Blekinge |
| Bretzner | |
| Breumer | |
| Breving | |
| Brevitz | Östergötland, Närke |
| Breyer | Blekinge, Bohuslän, Uppland |
| Briant | Gotland |
| Bricer | |
| Brick | |
| Brickman | Dalarna |
| Brickner | Hälsingland |
| Brickzén | |
| Briggman | |
| Brinck | |
| Brinell | |
| Bring | |
| Bringholtz | |
| Bringia | Småland, Västergötland |
| Bringius | Småland |
| Brink | Västergötland |
| Brisenberg | |
| Brisér | |
| Brising | |
| Brisk | |
| Brisman | Västergötland |
| Brisnitzki | |
| Brita | |
| Brithelli | |
| Britsler | |
| Britten | |
| Britten-Austin | |
| Britton | |
| Bro | |
| Broadbent | |
| Broander | Gotland |
| Brobeck | |
| Broberg | Östergötland, Bohuslän |
| Broby | |
| Brobäck | |
| Brock | Småland, Västergötland, Bohuslän |
| Brockenhuus | |
| Brockenhuus, | |
| Brockenhuus,Til | |
| Brockman | |
| brod | |
| Brodd | Östergötland |
| Broddera | |
| Brodderi | Småland |
| Brodderus | |
| Brodell | |
| Brodén | Östergötland, Hälsingland |
| Brodin | Bohuslän, Östergötland, Skåne |
| Brodinus | |
| Brody | |
| Broek | |
| Brogren | Östergötland |
| Brok | |
| Brokvist | |
| brol | |
| Brolin | Östergötland, Bohuslän, Skåne |
| Broling | Närke |
| Broman | Uppland |
| Bromander | Västergötland |
| Bromée | |
| Broméen | |
| Bromelius | |
| Bromell | |
| Broms | Närke, Uppland, Södermanland |
| Bronander | |
| Bronéer | Småland |
| Broo | |
| Broocman | Småland, Östergötland |
| Broodin | |
| Brooke | |
| Broomé | Skåne |
| Bror | |
| Brorström | Blekinge |
| Brosby | |
| Brost | Uppland |
| Brostrand | |
| Broström | Medelpad, Ångermanland, Jämtland |
| Brotherus | |
| Brottare | |
| Brouchanoff | |
| Brouwer | |
| Brovall | |
| Brow | |
| Browald | |
| Brown | |
| Browning | Halland |
| Brozell | |
| Brozén | |
| Bruce | Uppland, Västergötland |
| Bruggman | |
| Bruhn | Bohuslän |
| Brumark | |
| Brummer | |
| Brun | Östergötland, Västergötland, Skåne |
| Brunberg | Östergötland, Jämtland |
| Brunbäck | |