Ken Sanders (born 1951) is an American antiquarian bookseller who is also well known for his tenacious pursuit of book thieves. He organized a sting operation to capture John Charles Gilkey, and is a major focus of the book The Man Who Loved Books Too Much, about Gilkey's thefts. He has been an appraiser on Antiques Roadshow. He was raised in Salt Lake City, where he "was a serious book collector by age 17."