P8, P-8, P.8, or P 8 may refer to:
==In transportation or aviation== Boeing XP-8, 1920s US prototype biplane Boeing P-8 Poseidon, anti-submarine warfare and maritime patrol aircraft Bowin P8, Formula 5000 and Formula 2 race cars Pantanal Linhas Aéreas, Brazilian former airline with IATA code P8 Piaggio P.8, 1928 Italian floatplane Prussian P 8, German locomotive, 1906–1923 SprintAir, Polish airline, IATA code P8
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).