L55 or variation, may refer to:
Aer Lualdi L.55, a helicopter Daihatsu L55, a kei-car Junkers L55, a V-12 engine Rheinmetall Rh-120, L55 subtype; a 120mm gun 5.2 cm SK L/55 naval gun, a naval gun Scania-Vabis L55, a truck L55 train set (bullet train), an E3 Series Shinkansen , an L-class submarine of the British Royal Navy , a W-class destroyer of the British Royal Navy
See also
L5 (disambiguation) LLV (disambiguation) I55 155 (disambiguation) 55 (disambiguation)