F27

F27 or F-27 may refer to:
 * F-27 Sport Cruiser, a trimaran sailboat design
 * Fokker F27 Friendship, a 1955 Dutch turboprop airliner
 * Fairchild F-27, a 1958 American variant of the turboprop airliner
 * HMS Lynx (F27), a 1955 British Royal Navy Leopard-class Type 41 anti aircraft frigate
 * Fluorine-27 (F-27 or 27F), an isotope of fluorine