Mark Johnston
Mark Johnston may refer to:*Mark Johnston (racehorse trainer) (born 1959), Scottish racehorse trainer *Mark Johnston (historian) (born 1960), Australian historian, teacher and author *Mark Johnston (American football) (born 1938), American football cornerback *Mark Johnston (swimmer) (born 1979), freestyle swimmer from Canada *Mark Johnston (philosopher), Australian philosopher *Mark T. Johnston (born 1970), jockey in thoroughbred horse racing *J. Mark Johnston, member of the South Dakota Senate Provided by Wikipedia