Sir Whitmore Acton, 4th Baronet (c. 1677 - 17 January 1731/32) was the son of Sir Edward Acton, 3rd Baronet. He succeeded to the baronetcy upon the death of his father.
He held the office of High Sheriff of Shropshire from 1727 to 1728.
He married Lady Elizabeth Gibbon, and they had the following children:
| Parliament of Great Britain | ||
|---|---|---|
| Preceded by Sir Humphrey Briggs William Whitmore |
Member of Parliament for Bridgnorth 1710–1713 With: Richard Cresswell |
Succeeded by William Whitmore John Weaver |
| Baronetage of England | ||
| Preceded by Sir Edward Acton |
Baronet (of Aldenham) 1716–1731/32 |
Succeeded by Sir Richard Acton |