The 1966 Harelbeke–Antwerp–Harelbeke[nb 1] was the ninth edition of the E3 Harelbeke cycle race and was held on 26 March 1966. The race started and finished in Harelbeke. The race was won by Rik Van Looy.
^The race was known as Harelbeke–Antwerp–Harelbeke (French: Harelbeke–Anvers–Harelbeke) for the first twelve editions. In 1970, the race became known as the E3, after the Belgian road which is now known as the E17.[1][2]
