Mark Walsh

Mark Walsh may refer to:

• Mark Walsh (businessman) (born 1954), American entrepreneur, venture capitalist, and political activist
• Mark Walsh (cricketer) (born 1972), Australian cricketer
• Mark Walsh (darts player) (born 1965), English darts player
• Mark Walsh (jockey) (born 1986), Irish jockey
• Mark E. Walsh, US deputy Chief of Protocol