Roxane Semadeni is a French tap dancer from Toulon, active in the United States. She was nicknamed 'Butterfly' by Jimmy Slyde and performs as Roxane Butterfly. In 2002 she was included in a list of '25 to watch' published by Dance Magazine.
From 1998 she choreographed performances of her all-woman ensemble BeauteeZôn The Beat.
In 2005 she received funding from Barcelona American fundings to work on her flamenco-tap fusión project Djellaba Groove.
She founded the Jimmy Slyde Institute in Barcelona.