Peter Walsh
Peter Walsh may refer to:
Politicians
- Peter Walsh (Australian politician) (1935–2015), Australian senator and finance minister
 - Peter Walsh (Victorian politician) (born 1954), Victorian state politician
 - Peter J. Walsh (1931–1995), politician in Newfoundland and Labrador, Canada
 
Sports
- Peter Walsh (basketball) (born 1954), Australian Olympic basketball player
 - Peter Walsh (footballer) (born 1976), Australian rules footballer with Port Adelaide and Melbourne
 - Peter Walsh (sports broadcaster), Australian sports commentator
 
Others
- Peter Walsh (organizer) (born 1956), professional organizer hosting television programs such as Clean Sweep and Enough Already
 - Peter Walsh (record producer) (born 1960), British music producer
 - Peter Milton Walsh, Australian musician
 - Peter P. Walsh (1885–1944), Pittsburgh police chief
 - Peter Valesius Walsh (c.1618–1688), Irish theologian and controversialist
 - A character in Virginia Woolf's Mrs Dalloway