L100 may refer to: L 100, a Belgian resistance organisation Albatros L 100, light aircraft built in Germany Hammond L-100, an electric organ series , a Bay-class landing ship with the Royal Fleet Auxiliary (RFA) , Type II Hunt-class destroyer of the Royal Navy JBL L-100, a model of musical loudspeaker Landsverk L-100, Swedish prototype tank in development during World War II Lockheed L-100 Hercules, the civilian variant of the prolific C-130 military transport aircraft Mitsubishi L100, a kei truck model Nikon Coolpix L100, a semi-compact, digital camera Saturn L100, a sedan made by Saturn Corporation in Wilmington, Delaware Strv L-100, a prototype light tank design by Landsverk in 1933–34
See also Lunar 100 list of the Moon's most interesting regions to observe.