John McManus is the name of:
- J. P. McManus (born 1951), Irish businessman and racehorse owner
- John C. McManus (born 1965), American military historian and author
- John McManus (New Zealand politician) (1875–1950), New Zealand politician, trade unionist and farmer
- John McManus (author), American novelist
- John McManus (diplomat), former British Ambassador to Guinea
- John T. McManus (1904–1961), American journalist and progressive politician
- Red McManus (1925–2013), American college basketball coach
- Rove McManus (born 1974), Australian television identity
This disambiguation page lists articles about people with the same name.
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