Jim O'Hare (born 4 August 1941) is a British theatrical scenic and costume designer.
O'Hare began his career in 1964 by designing the sets and costumes for the Victoria Hall theatre in Leatherhead, Surrey.
He went on to design the costumes and sets for many theatrical productions especially in Dublin, Ireland.
In 1961 the Irish television station RTÉ started broadcasting and recruited professionals from overseas.
In 1965 O'Hare was offered the position of Production Designer for RTÉ at their Donnybrook Studios.