| The Right Honourable The Earl of Verulam | |
| Birth Name: | John Duncan Grimston |
| Birth Date: | 21 April 1951 |
| Nationality: | British |
| Earl of Verulam | |
| Predecessor: | John Grimston, 6th Earl of Verulam |
| Tenure: | 15 April 1973 – present |
| Spouse: | Dione Smith |
| Issue: | James Grimston, Viscount Grimston The Hon. Hugo Guy Sylvester Grimston Lady Flora Grimston The Hon. Sam George Grimston |
| Parents: | John Grimston, 6th Earl of Verulam Marjorie Ray Duncan |
John Duncan Grimston, 7th Earl of Verulam (born 21 April 1951), styled Viscount Grimston between 1960 and 1973, is a British peer.
Grimston was born in 1951, the only son of John Grimston, 6th Earl of Verulam. He succeeded in the earldom in 1973 on the death of his father. He was educated at West Downs School and Eton.
For 14 years until 1996 he was a director of corporate finance at Barings Bank. He was a Managing Director of ABN-AMRO Bank from 1996 to 2000. He was a Director and Vice-Chairman of Kleinwort Benson Private Bank from 2001 to 2008. He is currently Chairman of Grimston Trust Ltd and founding partner of the Verulam Consulting group.
Grimston has founded two registered charities: The Friends of St Michael's Church, and The West Herts Environmental Foundation.
Lord Verulam married Dione Smith in 1976. They have four children:[1]