Billy Walsh

Billy Walsh may refer to:


 * Billy Walsh (Australian footballer) (1911–1986), Australian rules footballer
 * Billy Walsh (boxer) (born 1963), Irish boxer
 * Billy Walsh (curler) (1917–1971), Canadian curler
 * Billy Walsh (footballer, born 1921) (1921–2006), Irish footballer
 * Billy Walsh (polo) (1907–1992), Irish polo player
 * Billy Walsh (soccer, born 1972), American soccer player and coach

Fictional

 * Billy Walsh (Third Watch), a character on U.S. TV series Third Watch, portrayed by Bill Walsh