Sir John Auld MacTaggart, 4th Baronet
is a Scottish entrepreneur and philanthropist.
He is the founder of the Western Heritable Investment Company. 
MacTaggart was a donor fo Vote Leave, the eurosceptic campaign group that persuaded British voters to withdraw from the European Union in a referendum on 23 June 2016.
MacTaggart donated £10,000 on 24 May 2016 to Vote Leave. 
- ↑ 'John Auld MacTaggart' Debretts, accessed 28 June 2016
- ↑ Electoral Commission, Vote Leave Donations, accessed 28 June 2016