Justice Thomas
- Benjamin Thomas (politician)
- Charles M. Thomas (judge)
- Clarence Thomas
- Darwin W. Thomas
- Edward A. Thomas
- Elwood L. Thomas
- Elwyn Thomas
- James Burrows Thomas
- Jesse B. Thomas Jr.
- John Charles Thomas (judge)
- John Thomas, Baron Thomas of Cwmgiedd
- Judge Thomas (disambiguation)
- K. T. Thomas (judge)
- List of judges of the Supreme Court of Missouri
- Richard V. Thomas
- Robert R. Thomas
- William H. Thomas (Alabama judge)
- William H. Thomas (Maryland judge)