Kate Sedley, the pen-name of Brenda Margaret Lilian Honeyman Clarke (born 1926) is an English historical novelist. She was born in Bristol and educated at The Red Maid's School, Westbury-on-Trym. She is married and has a son and a daughter, and one granddaughter. Her medieval historical whodunnits feature Roger the Chapman, who has given up a monk's cell for the freedom of peddling his wares on the road.