McKennan

McKennan is a surname of Irish origin. It may refer to:


 * John T. McKennan (1918–2011), New York politician
 * Peter McKennan (1918–1991), Scottish footballer
 * Thomas McKean Thompson McKennan (1794–1852), US congressman from Pennsylvania, US Secretary of the Interior
 * William McKennan (1816–1893), United States federal judge