Billy Walsh may refer to:
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Billy Walsh (polo) (1907–1992), Irish polo player
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Billy Walsh (Australian footballer) (1911–1986), Australian rules footballer
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Billy Walsh (curler) (1917–1971), Canadian curler
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Billy Walsh (footballer, born 1921) (1921–2006), Irish footballer
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Billy Walsh (boxer) (born 1963), Irish boxer
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Billy Walsh (soccer, born 1972), American soccer player and coach
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Billy Walsh (''Third Watch''), character on the American TV series ''Third Watch'', portrayed by Bill Walsh
See also
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William Walsh (disambiguation)
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Bill Walsh (disambiguation)
{{hndis, Walsh, Billy