Alexander Montgomerie, 9th Earl of Eglinton

The Right Honourable
The Earl of Eglinton
PC
Personal details
Born
Alexander Seton Montgomerie

c. 1660 (1660)
Died18 February 1729(1729-02-18) (aged 68–69)
Eglinton Estate, Scotland
NationalityBritish
Spouses
  • Margaret Cochrane
  • Lady Anne Gordon
  • ​
    (m. 1709)​
Children21
Parents
  • Alexander, 8th Earl of Eglinton
  • Lady Elizabeth Crichton

Alexander Seton Montgomerie, 9th Earl of Eglinton (c. 1660 – 18 February 1729) was a Scottish peer, lord of the Eglinton Estate.