| Type: | cadastral |
| Dudley | |
| State: | nsw |
| Near-Nw: | Clarke |
| Near-N: | Raleigh |
| Near-Ne: | Pacific Ocean |
| Near-E: | Pacific Ocean |
| Near-Se: | Pacific Ocean |
| Near-S: | Macquarie |
| Near-Sw: | Hawes |
| Near-W: | Vernon |
Dudley County is one of the 141 cadastral divisions of New South Wales. Part of the southern border near the coast is the Apsley River.
Dudley County was named in honour of Dudley Ryder, Second Earl of Harrowby (1798-1882).
A list of parishes found within this county; their LGA and mapping coordinates to the approximate centre of each location is as follows: