Mark Stewart (7 January 1905 – 2 March 1993) was a Scotland international rugby union player. He became the 80th President of the Scottish Rugby Union.
Stewart played for Stewart's College FP.
He played for Edinburgh District in the 1931 inter-city match.
He was capped nine times for Scotland in the period 1932âÂÂ34.
He became the 80th President of the Scottish Rugby Union. He served the standard one year from 1966 to 1967.