Charles Talbut Onions (1873-1965) was an English grammarian and lexicographer. He joined James Murray on the staff of the Oxford English Dictionary at Oxford in 1895 and in 1914 he began independent editorial work with his own assistants. He co-edited the 1933 Supplement with William Craigie. His last work is The Oxford Dictionary of English Etymology (1966), which was published posthumously and is generally considered to be the standard work on the subject.