R8 or R-8 may refer to:
==Transport== Audi R8, used from 1999–2006 by Audi for Le Mans 24 Hours race cars, and from 2007–2024 for a street legal car List of Audi R8 automobiles R8 (Rodalies de Catalunya), a commuter rail line bypassing Barcelona, Catalonia, Spain R8 (SEPTA), a commuter rail line in Philadelphia, United States, which has been split into: Chestnut Hill West Line, R8 Chestnut Hill West Fox Chase Line, R8 Fox Chase R8 (RER Vaud), an S-Bahn line in the Swiss canton of Vaud Kyrgyzstan Airlines, from its IATA airline designators Radial Road 8 or R-8, an arterial road of Manila, Philippines Renault 8, a small family car produced in the 1960s and early 1970s R8A (New York City Subway car)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).