James Grimston
James Grimston may refer to:
- James Grimston, 2nd Viscount Grimston, British peer and Member of Parliament
- James Grimston, 3rd Viscount Grimston, British peer and Member of Parliament
- James Grimston, 1st Earl of Verulam, British peer and Member of Parliament
- James Grimston, 2nd Earl of Verulam, British peer and Conservative politician
- James Grimston, 3rd Earl of Verulam, British peer and Conservative Member of Parliament
- James Grimston, 4th Earl of Verulam, British peer, electrical engineer and businessman
- James Grimston, 5th Earl of Verulam, British peer and businessman