L19

L19, L-19 or L.19 may refer to:

Vehicles

 * Cessna L-19 Bird Dog, an American liaison aircraft
 * HMS L19, a submarine of the Royal Navy
 * HMS Haldon (L19), a destroyer of the Royal Navy
 * INS Mahish (L19), a landing ship of the Indian Navy
 * SOVIET SUBMARINE L-19, a Leninets-class submarine
 * Zeppelin L.19 (LZ 54), an airship of the Imperial German Navy
 * L-19, a United States Navy L-class blimp

Proteins

 * 60S ribosomal protein L19
 * Mitochondrial ribosomal protein L19
 * Ribosomal protein L19 leader

Other uses

 * Lectionary 19, a 13th-century, Greek manuscript of the New Testament
 * Wasco Airport, in Kern County, California