XFD or xfd may refer to:

• XML Form Definition, a user interface markup language
• .xfd, a filename extension sometimes used for files in the Extensible Forms Description Language
• Douglas XFD, a 1933 naval fighter aircraft prototype
• McDonnell XFD-1 Phantom, a 1945 naval fighter aircraft prototype
• The last column name in Microsoft Excel, XFD

This disambiguation page lists articles associated with the title XFD.
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