Christian Dean DiMarco (born August 23, 1968) is an American professional golfer who plays on the PGA Tour Champions.

[2][3] He attended Lake Brantley High School in Altamonte Springs, where he played for the Patriots golf team and began dating his future wife at the age of 17.

[3] DiMarco was raised in a sports-oriented family; both of his older brothers were athletes, and his father played college basketball for St. John's University.

[12] He won his third PGA Tour event at the 2002 Phoenix Open, which featured an infamous moment—as DiMarco was addressing a pressure putt at TPC Scottsdale's 16th hole, one of the fans yelled "Noonan!"

[13] DiMarco maintained his concentration and sank the putt, then pointed at the fan and demanded that a tournament official eject him.

[15] DiMarco finished as the runner-up in a major for the third time at the 2006 Open Championship at Hoylake; Tiger Woods beating him by two strokes.

DiMarco has known his wife Amy (née Curtis) since the seventh grade,[2] when both attended Rock Lake Middle School in Longwood.

[3] His son, Cristian DiMarco, was a member of the University of South Florida golf team, after transferring from Kentucky.