Sir Mark John MacTaggart-Stewart, 1st Baronet, known as Mark John Stewart until 1880, was a Scottish Conservative Member of Parliament in the House of Commons of the United Kingdom. He represented Wigtown Burghs from 1874 to 1880 and again for a few months later in 1880 and also sat for Kirkcudbrightshire between 1885 and 1906 and briefly in 1910.
- Occupation
- politician, barrister
- Position held
- member of the 29th Parliament of the United Kingdom, member of the 27th Parliament of the United Kingdom, member of the 26th Parliament of the United Kingdom, member of the 25th Parliament of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
