Sacha Vierny (10 August 1919 – 15 May 2001) was a French cinematographer.
He was born in Bois-le-Roi, Seine-et-Marne, Île-de-France, France, and died in Paris, France, at the age of 81.
He is most famous for his work with Alain Resnais – especially for the two films Hiroshima mon amour and L'année dernière à Marienbad – and with Peter Greenaway (The Cook, the Thief, His Wife & Her Lover, Prospero's Books).