Mark Douglas

Mark Douglas may refer to:


 * Mark Douglas (politician) (1829–1900), American farmer, businessman, and politician in Wisconsin
 * Mark Douglas (ethicist) (born 1966), professor of Christian ethics at Columbia Theological Seminary
 * Mark Douglas (cricketer) (born 1968), New Zealand cricketer
 * Mark Douglas (rugby union) (born 1960), Welsh rugby union player
 * Mark Douglas, co-creator of YouTube channel The Key of Awesome