J50

J50 may refer to:

Vehicles

 * Beechcraft J50 Twin Bonanza, an American civil utility aircraft
 * Ferrari J50, an Italian sports car
 * HMS Bridport (J50), a minesweeper of the Royal Navy
 * Infiniti QX50 (J50), a Japanese SUV
 * LNER Class J50, a British steam locomotive class
 * Toyota Land Cruiser (J50), a Japanese off-road vehicle

Other uses

 * Biaugmented triangular prism
 * Scarlet (orca), a killer whale