B5, B05, B-5 may refer to.
COROT-5b (previously named COROT-Exo-5b) is an extrasolar planet orbiting the unidentified star COROT-5.
Little Joe 5B was an unmanned Launch Escape System test of the Mercury spacecraft, conducted as part of the U.S. Mercury program.
Studio 5-B (also common known as Studio 5B) is an American drama series that aired on ABC from January 24 until February 5, 1989.
WASP-5b is an extrasolar planet orbiting the star WASP-5 located approximately 1000 light-years away in the constellation Phoenix.