John McManus

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