Oliver Henry Wallop, 8th Earl of Portsmouth, was a British peer and also served in the Wyoming State Legislature in the United States.
- Occupation
- politician, cattle rancher, aristocrat
- Position held
- member of the Wyoming House of Representatives, member of the House of Lords, heir presumptive
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland, United States
- Born
- January 13, 1861
- Died
