BB

1. B.B. King 
2. Balatonboglár
3. Ballbusting
4. Banco do Brasil S.A.
5. Bangladesh bank
6. Barbados
7. Bareback
8. Base on balls in baseball
9. Battleship
10. BB (ammunition)
11. BB cream
12. BB postcode area
13. BBCode
14. BB Flashback
15. BB TO (BlackBerry Limited)
16. BB&T Bank
17. bb's Restaurant
18. Beast Boy
19. Bed and breakfast
20. Bejeweled Blitz
21. Benazir Bhutto 
22. Beyond Birthday
23. Big Brother 
24. Big Brother (TV series)
25. Bill Belichick
26. BlackBerry
27. Blessed Be
28. Bloggingsbooks
29. Blue Book
30. Bob's Burgers
31. Bodybuilding
32. Boing Boing
33. Borrelia burgdorferi
34. Boston Bruins
35. Bottom bracket
36. Bourbon County, Kansas
37. Boys' Brigade
38. Branch and bound
39. Brandenburg
40. Breaking Bad
41. Breaking Benjamin
42. Brian Bailey
43. Brigitte Bardot 
44. British Birds (magazine)
45. Buckingham Branch Railroad's
46. Buffer base
47. Bürgenstock-Bahn
48. Seaborne Airlines' IATA airline code
49. The Beach Boys 
50. The Busy Beaver