J36

J36 may refer to:


 * Allis-Chalmers J36, an American version of the de Havilland Goblin jet engine
 * County Route J36 (California)
 * Elongated triangular gyrobicupola, a Johnson solid (J36)
 * HMS Rhyl (J36), a Bangor-class minesweeper of the Royal Navy
 * LNER Class J36, a British steam locomotive class
 * Peritonsillar abscess