J
| Title | Date of creation | Surname | Current status | Notes |
|---|---|---|---|---|
| Jackson of Hickleton | 1660 | Jackson | extinct 1730 | |
| Jacob of Bromley | 1665 | Jacob | extinct 1790 | |
| Jacques of Middlesex | 1628 | Jacques | extinct 1661 | |
| James of Creshall | 1682 | James | extinct 1741 | |
| Jason of Broad Somerford | 1661 | James | extinct 1738 | |
| Jeffreys of Bulstrode | 1681 | Jeffreys | extinct 1702 | created Baron Jeffreys (1685). |
| Jenkinson of Walcot and Hawkesbury | 1661 | Jenkinson | extant | Earl of Liverpool from 1796 to 1851 |
| Jenkinson of Walton | 1685 | Jenkinson | extinct 1739 | |
| Jenoure of Much Dunmow | 1628 | Jenoure | extinct 1755 | |
| Jermy | 1663 | Jermy | status unknown | |
| Jerningham of Cossey | 1621 | Jerningham, Stafford-Jerningham | extinct 1935 | associated with Baron Stafford (1809–1913). |
| Jocelyn of Hyde Hall | 1665 | Jocelyn | extant | merged with Earl of Roden in 1778. |
| Jones of Albemarlis | 1643 | Jones | extinct 1644 | |
| Juxon of Albourne | 1660 | Juxon | extinct 1740 |
Read more about this topic: List Of Baronetcies In The Baronetage Of England