Bill Walsh is the name of:
- Bill Walsh (American football, born 1927) (1927–2012), player at University of Notre Dame, player and coach in the National Football League
- Bill Walsh (American football coach) (1931–2007), head coach of San Francisco 49ers and at Stanford University
- Bill Walsh (author) (1961–2017), American author and newspaper editor
- Bill Walsh (firefighter) (born 1957), American firefighter and television actor
- Bill Walsh (footballer) (1923–2014), former English footballer
- Bill Walsh (hurler) (1922–2013), Irish hurler
- Bill Walsh (producer) (1913–1975), American film producer
- Bill Walsh (rugby league) (1891-1981), New Zealand rugby league player
- Bill Walsh, former drummer for punk band Cosmic Psychos