F23 Explained

F23 or F-23 may refer to:

• Fluorine-23 (²³F), an isotope of fluorine
• Funk F-23, an American agricultural aircraft
• Getrag F23 transmission, an Italian 5-speed manual transmission
• Hirth F-23, an aircraft engine
• , a passenger ship requisitioned for the Royal Navy
• , a T-class destroyer of the Royal Navy
• Northrop YF-23, an American prototype fighter aircraft