Thomas Charles Colyear, 4th Earl of Portmore, styled Viscount Milsington from 1785 until 1823, was a British landowner and politician.
- Occupation
- cricketer, politician
- Position held
- member of the 1st Parliament of the United Kingdom, member of the 18th Parliament of Great Britain
- Citizenship
- United Kingdom of Great Britain and Ireland, Kingdom of Great Britain
- Born
- March 27, 1772
- Died
- January 18, 1835