The R100 was a British rigid airship in operation from 1929 to 1930.
R100 may also refer to: Any of several BMW motorcycles from the 1970s and 1980s, including the R100R, R100RT, R100LT, and R100 GS Imme R100, a German motorcycle made from 1948 to 1950 Mazda R100, a coupe car Radeon R100, a graphics chip NEC R100, prototype for the PaPeRo, a personal robot R100 (film), a 2013 film by Hitoshi Matsumoto Norristown High Speed Line, previously named R100 R100, a NIOSH air filtration rating for respirators Canon EOS R100, an entry-level mirrorless camera