James Grimston, 1st Earl of Verulam

James Walter Grimston, 1st Earl of Verulam (26 September 1775 – 17 November 1845), styled Lord Dunboyne from 1775 until 1808 and known as the 4th Viscount Grimston from 1808 to 1815, was a British peer and politician.

In 1802 he was elected to the House of Commons for St Albans, a seat he held until 1808, when he succeeded his father as fourth Viscount Grimston and second Baron Verulam and entered the House of Lords.

The latter year, he also succeeded his maternal cousin as tenth Lord Forrester.

In 1815 he was created Viscount Grimston and Earl of Verulam in the Peerage of the United Kingdom.

They had six sons and four daughters, and all of their daughters married earls: Lord Verulam died in November 1845, aged 70, and was succeeded in his titles by his eldest son James.