Peter Dunn

Peter Dunn may refer to:
 * Peter Dunn (author) (born 1977), American financial author and radio host
 * Peter Dunn (cricketer) (1921–2004), Australian cricketer
 * Peter Dunn (engineer) (1927–2014), British engineer
 * Peter Dunn (general) (born 1947), Australian general and ACT Emergency Services Commissioner
 * Peter Dunn (historian), Australian historian
 * Peter Dunn (paediatrician) (born 1929), British paediatrician
 * Peter Dunn (politician) (born 1935), South Australian politician
 * Peter Dunn (rugby union) (1936–2019), Australian rugby union player