Nick Theslof (born December 12, 1975) is an American soccer manager and coach, who was midfield coach and international scout to Jürgen Klinsmann at FC Bayern Munich.
He is currently an assistant coach for Toronto FC in Major League Soccer.
He was one of the first and youngest American soccer players to have played in continental Europe, joining PSV Eindhoven's youth side in 1991 and playing there for two years.