Throcking is a village in the civil parish of Cottered, in the East Hertfordshire district of Hertfordshire, England. It is approximately 1.5 miles west-northwest of Buntingford and 7 miles east-northeast of Stevenage.

Throcking was recorded in the Domesday Book as Trochinge.

Throcking was historically a parish. The civil parish was abolished in 1955 and its area absorbed into the parish of Cottered. At the 1951 census (the last before the abolition of the parish), Throcking had a population of 139.