Lawrence Mark Dundas, 4th Marquess of Zetland,, informally known as Mark Zetland, was a British hereditary peer, known before 1989 as Earl of Ronaldshay. He was a member of the House of Lords from 1989 to 1999.
- Occupation
- politician, land owner, aristocrat
- Position held
- member of the House of Lords
- Citizenship
- United Kingdom
- Born
- December 28, 1937
- Died
- January 24, 2026
