J38
# J38

J38 may refer to:

* Elongated pentagonal orthobicupola, a Johnson solid $(J_{38})$
* HMS Caraquet (J38), a Bangor-class minesweeper of the Royal Navy
* HMS Skipjack (J38), a Halcyon-class minesweeper of the Royal Navy
* LNER Class J38, a British steam locomotive class
* West Engineering XJ38, an early jet engine
* J-38, a model of telegraph key
