G12 may refer to:
== Vehicles == EMD G12, an American diesel locomotive Fiat G.12, an Italian transport aircraft , a Royal Navy G-class submarine , a Royal Navy S-class destroyer Matchless G12, a British motorcycle Prussian G 12, a Prussian steam locomotive , a German V1-class torpedo boat
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).