J85 may refer to:
*
General Electric J85
The General Electric J85 is a small single-shaft turbojet engine. Military versions produce up to of thrust dry; afterburning variants can reach up to . The engine, depending upon additional equipment and specific model, weighs from . It is on ...
, a small single-shaft turbojet engine
*
HMS Seagull (J85), a Halcyon class minesweeper of Royal Navy
*J
85, the Johnson solid notation for a
snub square antiprism
*
LNER Class J85, a class of British steam locomotives
{{Letter-NumberCombDisambig
