R51
# R51

R51 may refer to:

* R51 (South Africa), a road
* HMS Chevron (R51), a destroyer of the Royal Navy
* HMS Perseus (R51), an aircraft carrier of the Royal Navy
* Nissan Pathfinder (R51), a sport utility vehicle
* R51: Toxic to aquatic organisms, a risk phrase
* Remington R51, a semi-automatic pistol
