I
| Title | Date of creation | Surname | Current status | Notes |
|---|---|---|---|---|
| Imbert-Terry of Strete Ralegh | 1917 | Imbert-Terry | extant | |
| Ingilby of Ripley and Harrington | 1866 | Ingilby | extant | |
| Inglis of Milton Bryan | 1801 | Inglis | extinct 1855 | |
| Ingram of the Bungalow and Swineshead Abbey | 1893 | Ingram | extant | |
| Innes of Lochalsh and Coxton | 1819 | Innes | extinct 1831 | |
| Irving of Woodhouse | 1809 | Irving | extinct 1866 | |
| Isherwood of Rugglewood | 1921 | Isherwood | extinct 1946 |
Read more about this topic: List Of Baronetcies In The Baronetage Of The United Kingdom