Calum Stewart (born 1982) is an uilleann piper, low whistle and wooden flute player and composer from Garmouth in Scotland, who performs primarily traditional Scottish, Irish and Breton music. As well as solo recordings (sometimes accompanied by Andy May on piano, and Lauren MacColl on fiddle), he is a member of Jamie Smith's Mabon and he records with Angelo Kelly and is a member of Angelo Kelly & Family and The Kelly Family. He has also recorded and performed with The London Philharmonic Orchestra