Terence Gavaghan (1 October 1922 – 10 August 2011) was a British colonial administrator.
As a colonial district officer in Kenya, he was responsible for six detention centres in Mwea during the Mau Mau insurrection of the 1950s.Gavaghan was identified by Espon Makanga as one of three British Officers who developed the 'dilution technique': "They beat us from the day we arrived, with sticks, with their fists, kicking us with their boots.
They beat us to make us work.
They beat us to force us to confess our Mau Mau oath.