H33
# H33

H33 may refer to:

* H-33 (Michigan county highway)
* Bell H-33, an experimental American tiltrotor aircraft
* Hanriot H.33, a French biplane
* Highway H33 (Ukraine)
* HMS H33, a Royal Navy H-class submarine
* HMS Vanoc (H33), a Royal Navy V-class destroyer
* Retinal detachment
