| Baker Bowl | Philadelphia | 12,500 seats | April 30, 1887 | — |
| Balboa Stadium | California | 15,000 seats | — | association football |
| Ball Arena | Denver | 19,155 seats | October 1, 1999 | ice hockey |
| Ban Johnson Park | — | 1,400 seats | 1894 | — |
| Barclays Center | Brooklyn | 17,732 seats | September 21, 2012 | basketball |
| Baseball City Stadium | Florida | 8,000 seats | February 7, 1988 | baseball |
| Baton Rouge River Center Arena | Louisiana | 8,900 seats | — | — |
| BC Place | Vancouver | 54,500 seats | June 19, 1983 | rugby union, association football, Canadian football |
| Benchmark International Arena | Tampa | 19,204 seats | October 20, 1996 | ice hockey |
| Bethel Park | Eugene | 6,000 seats | — | — |
| Blue Arena | Loveland | 7,200 seats | September 20, 2003 | — |
| Blue Cross Arena | Rochester | 14,000 seats | October 18, 1955 | basketball, ice hockey, box lacrosse |
| BMO Field | Toronto | 21,566 seats | April 28, 2007 | rugby union, association football, Canadian football |
| BMO Stadium | Los Angeles | 22,000 seats | April 18, 2018 | association football |
| Bobby Dodd Stadium | Atlanta | 55,000 seats | September 27, 1913 | association football, American football |
| Bobcat Stadium | Texas | 30,000 seats | 1981 | American football |
| Bon Secours Training Center | Richmond | — | July 8, 2013 | — |
| Boston Garden | Boston | 14,448 seats | November 17, 1928 | basketball, ice hockey |
| Boundary Field | Washington, D.C. | — | — | baseball |
| Bradley Center | Milwaukee | 18,800 seats | October 1, 1988 | basketball |
| Bridgestone Arena | Nashville | 19,395 seats | December 18, 1996 | American football |
| Brookland Stadium | Washington, D.C. | 30,000 seats | October 4, 1924 | association football, American football, baseball |
| Brooks Gym | — | 2,476 seats | 1950 | — |
| Brown Stadium | Louisiana | 3,400 seats | 1933 | athletics, American football, association football |
| Buffalo Memorial Auditorium | Buffalo | 17,000 seats | October 14, 1940 | ice hockey, basketball |
| Busch Memorial Stadium | St. Louis | 49,676 seats | — | baseball |