Demi is a feminine given name and a surname. It may also refer to:
Amounts demi (metric prefix) (or demi-), a former metric unit prefix not adopted by SI demi- (numerical prefix), a linguistic prefix representing half, see Numeral prefix "demi" (word), see List of Latin words with English derivatives "demi-" (medicine), see List of medical roots, suffixes and prefixes
Other uses Demi (album), by Demi Lovato Demi River, Gujarat, India Short for demisexual, a sexual orientation Short for demigender, a gender identity
See also
Demy (disambiguation)