John Cash may refer to:

• Johnny Cash (1932–2003), singer
  • John R. Cash (album), a 1975 album by Johnny Cash
• John Cash (physician) (1936–2020), former president of the Royal College of Physicians of Edinburgh
• John Theodore Cash (1854–1936), British physician, professor of Materia Medica, Aberdeen University
• John Carter Cash (born 1970), American country musician and son of Johnny Cash
• John Cash (American football) (born 1934), American football player
• John Cash (1822–1880), British manufacturer, co-founder of J. & J. Cash Ltd.

This disambiguation page lists articles associated with the title John Cash.
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