Ronald G. Cook (born 1 December 1948) is an English actor. He has been active in film, television and theatre since the 1970s.

Cook was born in 1948 in South Shields, County Durham, the son of a school cook and a car worker. When he was 6, his family moved to Coventry; he went to Wyken Croft Junior School and then Caludon Castle School and is a graduate of Rose Bruford College.