L18, L-18 or L.18 may refer to:

Vehicles

;Aircraft * Albatros L 18, a German biplane *

Lockheed L-18 Lodestar The Lockheed Model 18 Lodestar is a passenger transport aircraft of the World War II era. Design and development Sales of the 10–14 passenger Lockheed Model 14 Super Electra, which first flew in 1937, had proved disappointing, despite the air ...

, an American passenger aircraft * L18, a United States Navy

L-class blimp The L-class blimps were training airships operated by the United States Navy during World War II. In the mid-1930s, the Goodyear Aircraft Company built a family of small non-rigid airships that the company used for advertising the Goodyear name. ...

* Piper L-18, an American light aircraft ;Ships * , a submarine of the Royal Navy * , a sloop of the Royal Navy * , a destroyer of the Royal Navy * , a tank landing ship of the Indian Navy * , a ''Leninets''-class submarine

Other uses

* 60S ribosomal protein L18 *

Fallbrook Community Airpark Fallbrook Community Airpark , also known as Fallbrook Airpark, is a county-owned public-use airport located two nautical miles (3.7 km) south of the central business district of Fallbrook, in San Diego County, California, United States. Hi ...

, in San Diego County, California * Lectionary 18, a 12th-century, Greek manuscript of the New Testament * Mitochondrial ribosomal protein L18 * Nissan L18 engine, an automobile engine {{Letter-NumberCombDisambig