Robert Van't Hof (born April 10, 1959 in Lynwood, California) is a former professional tennis player from the United States. He won the 1977 USTA Boys 18 Doubles.
For three years, Robert was the #1 tennis player and an All American at the University of Southern California. He won the NCAA Singles Title in 1980. He played two years for George Toley, who recruited him, and then one year for Dick Leach.
Turning professional in 1980, Van't Hof won his first top-level singles title in 1981 at Taipei and his second in 1989 in Seoul. His best singles performance at a Grand Slam event came in 1983 at Wimbledon, where he reached the Fourth Round.
Van't Hof won the two top-level singles titles and six tour doubles titles, including the Pacific Southwest with Scott Davis in 1985 as an unseeded team, and the 1990 SAP Open with Kelly Jones. His career-high rankings were World No. 25 in singles (in 1983), and World No. 20 in doubles (in 1986). He retired from the professional tour in 1990.
Since retiring as a player, Van't Hof has worked as a Tennis Coach with high-profile players Todd Martin and Lindsay Davenport, when she won 3 Grand Slam Singles Titles. He currently is coaching Coco Vandeweghe.
Van't Hof's son, Kaes Van't Hof, played collegiate tennis at the University of Southern California, won the NCAA Doubles Title in May 2008, and played on the ATP Tour and World Team Tennis for the Newport Beach Breakers.