Thomas Charles Lethbridge (23 March 1901 – 30 September 1971), better known as T. C. Lethbridge, was an English archaeologist, parapsychologist, and explorer. A specialist in Anglo-Saxon archaeology, he served as honorary Keeper of Anglo-Saxon Antiquities at the Cambridge University Museum of Archaeology and Ethnology from 1923 to 1957, and over the course of his lifetime wrote twenty-four books on various subjects, becoming particularly well known for his advocacy of dowsing.