Kinvig is a surname particularly associated with the Isle of Man. Notable people include:
Alfred Kinvig (1874–1965), New Zealand cricketer. Clifford Kinvig (1934–2017), lecturer in war studies at the Royal Military Academy, Sandhurst, from a family of Isle of Man roots. Gordon Kinvig (1888–1917), New Zealand soldier and sportsman. Sage Kinvig (c.1870–1962), at the time of her death, one of the last surviving native speakers of the Manx language.