YF

YF serves as

• Group of letters for marking of boats in the Netherlands

YF as distinguishing signs on license plate:

• UK: Leeds
• Norway: Bodø in Nordland
• Slovakia: Trailer (second group of letters )

YF as a name for aircraft:

• Lockheed YF -12
• YF -16, known as the General Dynamics F -16
• Lockheed Martin F -22
• Northrop YF -17
• Northrop YF -23
• North American YF -93

• Disambiguation
• Abbreviation