R25 may refer to:

Automobiles

* BMW R25, a German motorcycle *

Renault 25 The Renault 25 is an executive car produced by the France, French automotive industry, automaker Renault from 1983 to 1992. The 25 was Renault's Flagship#Automotive, flagship, the most expensive, prestigious, and largest vehicle in the compan ...

, a French executive car *

Renault R25 The Renault R25 was the Formula One car entered by Renault in the 2005 season. The chassis was designed by Bob Bell, James Allison, Tim Densham and Dino Toso with Pat Symonds overseeing the design and production of the car as executive dire ...

, a Formula One car *

Yamaha YZF-R25 The Yamaha YZF-R25 is a motorcycle manufactured by Yamaha since 2014. It is Yamaha's first ''250 cc'' sport motorcycle since the four-cylinder FZR250 that was sold between 1986 and 1994. A first for Yamaha twins, in common with the R3, the ...

, a Japanese motorcycle

Aviation

* British Airship ''R25'', a training airship * Rubik R-25 Mokány, a Hungarian glider * Tumansky R-25, a Soviet turbojet engine

Roads

* R-25 regional road (Montenegro) * R25 (South Africa)

Other uses

* R25 (London), a proposed railway orbital in Greater London * R25: Toxic if swallowed, a risk phrase * R-25 Vulkan, a Yugoslav surface-to-air missile * , a destroyer of the Royal Navy * Remington Model R-25, a semi-automatic rifle * , a submarine of the United States Navy {{Letter-Number Combination Disambiguation