F15 or F-15 may refer to:
Aircraft Boeing F-15EX Eagle II, a development of the F-15E Strike Eagle McDonnell Douglas F-15 Eagle, an American-designed air-superiority fighter aircraft McDonnell Douglas F-15 STOL/MTD, a technology demonstrator based on the F-15 Eagle McDonnell Douglas F-15E Strike Eagle, an all weather strike fighter derived from the F-15 Eagle Northrop F-15 Reporter, a photo-reconnaissance variant of the P-61 Black Widow Curtiss XF15C, a 1940s U.S. Navy fighter prototype
Video games F-15 City Wars, a 1990 video game developed by American Video Entertainment on Nintendo F-15 Strike Eagle (video game), a 1984 video game F-15 Strike Eagle II, a 1989 video game F-15 Strike Eagle III, a 1993 video game Jane's F-15, a 1998 video game
Other uses BMW X5 (F15), a mid-size luxury crossover SUV F15 and F15A, the two Ford 15-hundredweight versions of the World War II Canadian Military Pattern trucks February 15, 2003 anti-war protest Fluorine-15 (F-15 or 15F), an isotope of fluorine F15, a function key , a submarine of the Italian Regia Marina (Royal Navy) in commission from 1917 to 1929