13B

13B may refer to:

• 13B: Fear Has a New Address or Yavarum Nalam, a 2009 Indian horror film
• Boron-13 (¹³B), an isotope of boron
• A Mazda Wankel engine
• A Toyota B engine
• Section 13b of the Securities Exchange Act of 1934

See also

• B13 (disambiguation)