B13
# B13

B13 may refer to:

* 130 mm/50 B13 Pattern 1936, Soviet naval gun
* B13 (New York City bus) serving Brooklyn
* B13 road (Cyprus)
* B13tech, a futuristic fictional technology created by the character Brainiac 13
* Bensen B-13, a Bensen aircraft
* Boston Thirteens, a Rugby League club competing in the USARL
* Chery B13, a 2007 Chinese Chery Automobile model
* District B13, a movie featuring David Belle
* HLA-B13, an HLA-B serotype
* Martin XB-13, a version of the Martin B-10 bomber
* Caro-Kann Defence, a common opening in the game of chess
* Moseley, a suburb of Birmingham, England, from its postcode
* Orotic acid, formerly known as Vitamin $B_{13}$
* Boron-13 (B-13 or $^{13}B),$ an isotope of boron
* A chassis of the Nissan Sentra
* Queensland B13 class locomotive
* 13 amp, type B – a standard circuit breaker current rating
* Jalan Uniten–Dengkil, in Selangor, Malaysia
* LNER Class B13, a class of British steam locomotives
