Nuno Duarte Gil Mendes Bettencourt (born September 20, 1966) is a Portuguese guitarist best known for his role as the lead guitarist of the Boston hard rock band Extreme whose hits include the acoustic ballads "More Than Words" and "Hole Hearted". The songs reached #1 and #4, respectively, on the Billboard Hot 100 singles chart in 1991.
He has since recorded a solo project called Schizophonic as well as with bands he founded including Mourning Widows, Population 1, DramaGods, and more recently with The Satellite Party (with Jane's Addiction's former front man and Lollapalooza co-founder Perry Farrell).
Since 1990, Bettencourt has had his own line of custom guitars designed by Washburn Guitars. His line is known as the N-Series, and is currently promoting the Washburn N4.