Mark Ethridge (born May 28, 1949) is a novelist, screenwriter, and communications consultant.

[1] A native of Winston-Salem, North Carolina, he attended Phillips Exeter Academy and graduated cum laude from Princeton University in 1971 with a degree in history.

He played a key role in the newsroom's two Pulitzer Prizes for Public Service – for an investigation of brown lung disease and for the PTL scandal.

He supervised a number of other business journals across the country and several publications devoted to NASCAR racing for Newhouse/Advance.

In 1998, Ethridge became president and part-owner of The Cotter Group, a NASCAR-based sports public relations and marketing agency based in Harrisburg, North Carolina, which became a part of Clear Channel Communications in 2000.