Susan Linda Caldwell (born 2 October 1958) is an English chess player. She is a three-time medal winner of the British Women's Chess Championship (1974, 1977, 1978) and Women's Chess Olympiad team silver medal winner (1976).

Susan Caldwell participated in many British Women's Chess Championships:^[1]

• in 1973 shared 5th–6th place;
• in 1974 shared 2nd–3rd place;
• in 1975 shared 4th–5th place;
• in 1976 shared 5th–6th place;
• in 1977 ranked 3rd place;
• in 1978 shared 1st–2nd place but lost Sheila Jackson additional match with 0:2.

In 1975, in Glasgow Susan Caldwell with England team won Glasgow 800 Team Chess Tournament with perfect individual result (3 points from 3).^[2] In 1978, in Kikinda she ranked 7th in 2nd European Girls' Junior Chess Championship (tournament won Nana Ioseliani).^[3] In 1981, in Benidorm Susan Caldwell shared 4th-5th place with Sheila Jackson in Women's World Chess Championship West European zonal tournament (tournament won Nieves García Vicente).^[4]

Susan Caldwell played for England in the Women's Chess Olympiads:^[5]

• In 1976, at first reserve board in the 7th Chess Olympiad (women) in Haifa (+3, =2, -3) and won the team silver medal,
• In 1978, at third board in the 8th Chess Olympiad (women) in Buenos Aires (+6, =1, -5),
• In 1980, at third board in the 9th Chess Olympiad (women) in Valletta (+5, =2, -4).

Susan Caldwell was a director of the Hallas Foundation Ltd. and Larkham Printers and Publishers Ltd.^[6] She is an author of chess books "The Usborne Guide to Playing Chess" (ISBN 0746001355) and "Playing Chess (A Beginner's Guide)" (ISBN 0860204073).