This is a list of the most common female names starting with the letter B, based on people currently estimated to be alive in the United States as of 2021.
| Name | People | Average Age |
|---|---|---|
| Barbara | 906,043 | 68.3 |
| Brenda | 516,122 | 58.3 |
| Betty | 390,842 | 73.9 |
| Brittany | 353,020 | 29.6 |
| Brianna | 255,140 | 20.1 |
| Beverly | 241,347 | 67.2 |
| Bonnie | 220,136 | 63.3 |
| Brooke | 190,880 | 24.8 |
| Beth | 136,647 | 54.4 |
| Brooklyn | 113,356 | 10.8 |
| Bailey | 103,297 | 17.7 |
| Brandy | 103,079 | 37.9 |
| Brandi | 98,884 | 36.2 |
| Bethany | 96,495 | 30.3 |
| Briana | 93,582 | 22.9 |
| Bridget | 83,995 | 37.8 |
| Breanna | 80,895 | 22.6 |
| Brittney | 80,597 | 29.2 |
| Becky | 75,730 | 56.3 |
| Bianca | 73,470 | 23.8 |
| Bella | 68,524 | 9.1 |
| Belinda | 65,119 | 52.0 |
| Bobbie | 57,438 | 59.9 |
| Billie | 55,124 | 61.2 |
| Beatrice | 52,175 | 58.1 |
| Bernice | 45,402 | 69.4 |
| Bertha | 41,350 | 67.8 |
| Brielle | 40,936 | 8.8 |
| Bernadette | 39,493 | 55.3 |
| Betsy | 37,147 | 53.8 |
| Brooklynn | 34,866 | 10.7 |
| Britney | 34,389 | 25.6 |
| Brenna | 28,459 | 23.8 |
| Bonita | 27,390 | 64.3 |
| Brynn | 26,418 | 13.3 |
| Bessie | 24,970 | 72.5 |
| Blanca | 23,465 | 37.4 |
| Bridgette | 22,593 | 37.6 |
| Bobbi | 22,304 | 44.5 |
| Baylee | 20,433 | 14.8 |
| Brianne | 19,942 | 30.3 |
| Bryanna | 19,021 | 19.2 |
| Blair | 17,291 | 29.8 |
| Brynlee | 16,854 | 5.8 |
| Beatriz | 15,882 | 33.5 |
| Bria | 15,508 | 18.6 |
| Brandie | 15,343 | 37.5 |
| Bailee | 15,013 | 14.7 |
| Blake | 14,636 | 20.8 |
| Blakely | 13,585 | 7.2 |
| Bettie | 12,495 | 73.8 |
| Bridgett | 12,427 | 41.6 |
| Bette | 11,982 | 74.8 |
| Briella | 11,606 | 5.4 |
| Brittani | 11,529 | 29.9 |
| Brinley | 11,076 | 7.0 |
| Breana | 11,022 | 23.7 |
| Benita | 10,473 | 55.2 |
| Bettye | 10,384 | 75.7 |
| Blanche | 10,316 | 73.2 |
| Brook | 10,251 | 32.2 |
| Breanne | 10,117 | 28.4 |
| Brylee | 10,068 | 9.4 |
| Belen | 10,013 | 20.7 |
| Braelyn | 9,837 | 8.6 |
| Beulah | 9,593 | 75.3 |
| Bristol | 8,952 | 7.2 |
| Bree | 8,820 | 23.4 |
| Bernadine | 8,651 | 68.6 |
| Brigitte | 8,484 | 38.4 |
| Braelynn | 8,123 | 5.9 |
| Brisa | 8,077 | 15.4 |
| Berenice | 7,257 | 23.5 |
| Beverley | 7,096 | 70.0 |
| Bryn | 7,030 | 21.1 |
| Britany | 6,338 | 26.3 |
| Briley | 6,126 | 11.9 |
| Barbra | 6,007 | 57.8 |
| Bryana | 5,984 | 20.7 |
| Braylee | 5,980 | 7.6 |
| Belle | 5,934 | 23.0 |
| Brigid | 5,920 | 33.5 |
| Bobby | 5,896 | 57.0 |
| Brittni | 5,879 | 30.2 |
| Breann | 5,697 | 26.2 |
| Baby | 5,440 | 26.6 |
| Brea | 5,439 | 21.3 |
| Brigette | 5,431 | 39.9 |
| Brandee | 5,323 | 36.6 |
| Blaire | 5,268 | 14.4 |
| Bettina | 5,244 | 50.7 |
| Breonna | 5,062 | 20.9 |
| Bonny | 4,885 | 59.2 |
| Brionna | 4,830 | 21.0 |
| Bambi | 4,803 | 50.5 |
| Bayleigh | 4,767 | 11.9 |
| Brittanie | 4,653 | 29.6 |
| Blythe | 4,479 | 25.3 |
| Briar | 4,468 | 9.0 |
| Brian | 4,343 | 43.3 |