Ferdinand "Fred" Helmuth Imhoff (born 15 February 1942 in The Hague) is a sailor from the Netherlands, who represented his country at the 1972 Summer Olympics in Kiel, Germany as helmsman in the Flying Dutchman "Brave Henderik IV" (H-230). With crew Simon Korver they took the 10th place. Imhoff was the substitute for the Dragon during the 1968 Olympics.