Graham Seed (born 12 July 1950 in London) is an English actor.
Seed was educated at Charterhouse School, a boarding independent school in the market town of Godalming in Surrey, followed by RADA in London.
Seed is best known for his role playing Nigel Pargetter in the BBC radio series The Archers from 1983 until January 2011, although actor Nigel Carrington briefly played the role when Graham Seed took a break in the late 1980s. In addition to The Archers, Seed has appeared in the TV soap operas Brookside (1995–97, as Dick Thornton), Coronation Street (1981, as a solicitor) and Crossroads (1985–88, as Charlie Mycroft).
Seed's roles include the adult Britannicus, son of the emperor Claudius in the BBC adaptation of Robert Graves, I, Claudius (1976), Harrop in William Boyd's Channel 4 Film Good and Bad at Games (1983) and Jorkins in the first episode "Et in Arcadia ego" of the ITV television adaptation of Brideshead Revisited (1981). He also appeared in Edward VII (1975), Bergerac (1981), C.A.B. (1986) Midsomer Murders (2009) and Wild Target (2010).