Paul Ritter (1966–2021) was a British stage and screen actor.
Paul Ritter may also refer to:
- Paul Ritter (painter) (1829–1907), German architectural painter and etcher
- Paul Ritter (diplomat) (1865–1921), Ambassador of Switzerland to the United States
- Paul Ritter (architect) (1925–2010), a Western Australian architect, town planner, sociologist, artist and author