What does the name Demi mean? The meaning of the name Demi is Half, Small. The origin of the name Demi is French. This is the culture in which the name originated, or in the case of a word, the language.
Alternate spellings: Demie
People who like the name Demi also like: Liam
, Caine Chloe
Name Notes: Or diminutive form of Demetria. Demi Moore, actress.