W45 may refer to:
*
W45 (nuclear warhead)
*
Luray Caverns Airport, in Page County, Virginia, United States
*
Mizuho Station, in Hokkaido, Japan
* W45, a classification in
masters athletics
Masters Athletics managed by World Masters Athletics is a class of the sport of athletics (sport), athletics for athletes of 35 years of age and over organized by World Masters Athletics. The events include track and field, road running and cross ...
* W45, a
Toyota W transmission
Toyota Motor Corporation's W family is a family of Automobile layout#Rear-wheel-drive layouts, RWD/4WD transmissions built by Aisin. Physically, these transmissions have much in common (like the bell housing-to-body bolt pattern) with other Aisin ...
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