Peter Lyons

Peter Lyons may refer to:


 * Peter Lyons (Virginia judge) (c. 1734–1809), judge of the Virginia Court of Appeals
 * Peter Lyons (Queensland judge) (born 1946), justice of the Supreme Court of Queensland
 * Peter Stanley Lyons (1927–2006), English chorister and choral conductor
 * Peter B. Lyons (fl. 1960s–2010s), U.S. Assistant Secretary of Energy for Nuclear Energy