title: 13B
text: # 13B
  
  13B may refer to:
  
  * Boron-13 $(^{13}B),$ an isotope of boron
  * A Mazda Wankel engine
  * A Toyota B engine
  * Yavarum Nalam or 13B, an Indian horror film
  * Section 13b of the Securities Exchange Act of 1934
  