Charles Mackay

Charles (or Charlie) Mackay, McKay, or MacKay may refer to:
 * Charles Mackay (author) (1814–1889), Scottish poet, journalist, author, anthologist, novelist, and songwriter
 * Charles McKay (1855–1883), American naturalist and explorer
 * Charles Mackay (mayor) (1875–1929), New Zealand lawyer, local politician, and Mayor of Wanganui
 * Charlie MacKay (1880–1953), Australian rules footballer and physician
 * Charles Reay Mackay, Australian immunologist, fellow of the Australian Academy of Science
 * Charles R. MacKay, pseudonym for William Harral Johnson and William Stewart Ross used on Life of Charles Bradlaugh, M.P. (1888), a libelous attack on Charles Bradlaugh
 * Charles MacKay (born 1950), American arts administrator