C19 or C-19 may refer to:
==Transportation== , a member of the first group of five ships of the British Town-class light cruisers C-19 Alpha, designation of 3 modified Northrop Alpha Type 2 aircraft purchased by the US Army Air Corps in 1931 Boeing C-19, a military designation for the Boeing 747-100 series of aircraft Cierva C.19, a 1929 autogyro built in England , a 1909 British C-class submarine Rio Grande class C-19, a narrow-gauge 2-8-0 locomotive Sauber C19, a 2000 racing car
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).