J24 may refer to:
Vehicles
*
J/24
The J/24 is an international One-Design and Midget Ocean Racing Club trailerable keelboat class built by J/Boats and defined by World Sailing. The J/24 was created to fulfill the diverse needs of recreational sailors such as cruising, one d ...
, a keelboat
*
FVM J24, a Swedish fighter aircraft
* , a ''Halcyon''-class minesweeper of the Royal Navy
*
LNER Class J24, a British steam locomotive class
Other uses
*
Gyroelongated pentagonal cupola, a Johnson solid (J
24)
*
Johor State Route J24, a road in Malaysia
{{Letter-Number Combination Disambiguation