Natalie MacMaster, CM (born June 13, 1972) is an award-winning fiddler from the rural community of Troy in Inverness County, Nova Scotia, Canada who plays Cape Breton fiddle music.
MacMaster has toured with the Chieftains, Faith Hill, Carlos Santana and Alison Krauss, and has recorded with Yo-Yo Ma. She has appeared at the Celtic Colours festival in Cape Breton, Celtic Connections in Scotland, and MerleFest in the United States. MacMaster is the daughter of Alex and Minnie (Beaton) MacMaster, and the niece of Cape Breton fiddler Buddy MacMaster. She is the cousin of two other Cape Breton fiddlers, Ashley MacIsaac and Andrea Beaton. She was born on June 13, 1972. In 2002, she married fiddler Donnell Leahy of the Leahy family band, and moved to Lakefield, Ontario, where she currently resides with her husband and three children. In December 2005, she gave birth to a daughter, Mary Frances Rose. Her second child, a son, Michael Joseph Alexander, was born in June 2007. In 2007, MacMaster learned she was related to Jack White. Her third child, a daughter, Clare Marie, was born in February 2009. Her fourth child, another daughter, Julia Elizabeth, was born in January 2011.