Richard Graham, 1st Viscount Preston PC was an English diplomat and politician who sat in the House of Commons in two periods between 1675 and 1689. He became a Jacobite conspirator, but his reputation in the Jacobite community suffered when he gave evidence against his co-conspirators in exchange for a pardon.
- Occupation
- diplomat, politician
- Position held
- Member of Parliament in the Parliament of England, Member of the 1661-79 Parliament, Member of the 1679 Parliament, Member of the 1680-81 Parliament
- Citizenship
- Kingdom of England
- Born
- September 24, 1648
