List of Famous people with last name Leech

Allen Leech is an Irish actor best known for his role as Tom Branson on the historical drama series Downton Abbey and as Paul Prenter in the 2018 biopic Bohemian Rhapsody. He made his professional acting debut with a small part in a 1998 production of A Streetcar Named Desire, made his first major film appearance as Vincent Cusack in Cowboys & Angels, and earned an Irish Film & Television Awards nomination in 2004 with his performance as Mo Chara in Man About Dog. Leech played Marcus Agrippa on the HBO historical drama series Rome.

Faith Yvonne Leech was an Australian freestyle swimmer who won a gold medal in the 4×100–metre freestyle relay and bronze in the 100-metre freestyle at the 1956 Summer Olympics in Melbourne.

Margaret Kernochan Leech, also known as Margaret Pulitzer, was an American historian and fiction writer. She won the Pulitzer Prize for History both in 1942 and in 1960.

Richard Leech, born Richard Leeper McClelland, was an Irish actor.

John Leech was a British mathematician working in number theory, geometry and combinatorial group theory. He is best known for his discovery of the Leech lattice in 1965. He also discovered Ta(3) in 1957. Leech was married to Jenifer Haselgrove, a British radio scientist.

George Leech was a British film actor and stunt performer who was notable for his work on eleven James Bond films.

John Leech was a British caricaturist and illustrator. He was best known for his work for Punch, a humorous magazine for a broad middle-class audience, combining verbal and graphic political satire with light social comedy. Leech catered to contemporary prejudices, such as anti-Americanism and antisemitism and supported acceptable social reforms. Leech's critical yet humorous cartoons on the Crimean War help shape public attitudes toward heroism, warfare, and Britons' role in the world.