Charles Ashton (1848 – 13 October 1899) was a Welsh literary historian and bibliophile, born in Llawr-y-glyn, Montgomeryshire (Powys).
A police officer by profession, Ashton is chiefly remembered for his pioneering and thorough survey of 17th to 19th century Welsh literature, Hanes Llenyddiaeth Gymreig o 1651 hyd 1850, published in 1893..
He also published a history of Dinas Mawddwy in 1892.Ashton committed suicide after attacking his wife with a razor in 1899.