C30 may refer to:
== Vehicles == Aircraft Caspar C 30, a German reconnaissance aircraft Cierva C.30, a Spanish autogyro Curtiss C-30 Condor, an American military transport aircraft Siren C.30 Edelweiss, a French sailplane Automobiles Great Wall Voleex C30, a Chinese subcompact Nissan Laurel C30, a Japanese sedan Sauber C30, a Swiss Formula One car Volvo C30, a Swedish hatchback Rail transport New South Wales C30 class locomotive, an Australian steam locomotive SL C30, a subway train of the Stockholm metro Ships , a Thomaston-class landing ship of the Brazilian Navy , a C-class submarine of the Royal Navy , a Fiji-class light cruiser of the Royal Navy
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).