Walter Stewart, 1st Lord Blantyre (1555–1617) was a Scottish courtier and politician. He was Keeper of the Privy Seal of Scotland from 1582 to 1596 and Treasurer of Scotland from 1596 to 1599.
- Occupation
- judge
- Position held
- Member of the Parliament of Scotland
- Citizenship
- Kingdom of Scotland
- Died
- 1617