J6 may refer to:
==Military== Joint Staff J-6, a directorate of the US Department of Defense Junkers J 6, a German fighter aircraft Shenyang J-6, Chinese version of Soviet MiG-19 jet fighter J6 Jaktfalken, a Swedish fighter aircraft HMS J6, a World War I UK submarine sunk in a friendly fire incident HMS Alresford, a UK minesweeper, pennant number J06
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).