Sir Nicholas Colthurst, 3rd Baronet
Sir Nicholas Colthurst, 3rd Baronet was an Anglo-Irish member of the Irish House of Commons for St Johnstown in 1783–1790 and Clonakilty in 1792–1795.
In 1788 he served as High Sheriff of County Cork - a position that his father and brother had also held.
He was the son of Sir John Colthurst, 1st Baronet. He married Harriet La Touche, the daughter of Rt. Hon. David La Touche, on 8 May 1788. They had three children, Elizabeth, Charlotte and Sir Nicholas Conway Colthurst, 4th Baronet.