Héctor Alonso Rebaque (born 5 February 1956) is a Mexican former racing driver and businessman, who competed in Formula One from 1977 to 1981.

Rebaque transitioned to CART for 1982, winning the Road America 200 in his rookie season; he retired from oval racing following a testing incident at Michigan International Speedway one week later.

In the middle of 1980, he substituted for Ricardo Zunino as team mate to Nelson Piquet at Brabham, where he stayed throughout the 1981 season achieving his best Formula One results, finishing 10th in the Championship.

He also drove in the 1982 CART IndyCar season for Forsythe Racing including the 1982 Indianapolis 500 where he finished 13th after a pit fire on lap 151.

Rebaque's helmet was black with a green, white and red design surrounding the visor area.