'''Demmy''' is a given name and surname. Notable people with the name include:
*Demmy Druyts (born 1995), Belgian racing cyclist *John Demmy (1904–1970), American football player *Lawrence Demmy (died 2016), British ice dancer *Demmy Ladipo (born 1991), British actor and writer
==See also== *Demme *Jemmy (disambiguation)
{{given name|type=both}}