John McManus

John McManus may refer to:

• J. P. McManus (born 1951), Irish businessman and racehorse owner
• John C. McManus, an American military historian and author
• John McManus (New Zealand politician) (1875–1950), New Zealand politician, trade unionist and farmer
• John McManus (author), an 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, Australian television identity