Irish Rangers may refer to: * Irish Army Ranger Wing (ARW), the elite special operations forces of the Defence Forces of Ireland * Royal Irish Rangers, former infantry regiment of the British Army (1968–2007) * 102nd Regiment of Foot (Irish Rangers), former infantry regiment of the British Army, raised in 1794 * 199th (Duchess of Connaught's Own Irish Rangers) Battalion, CEF, unit in the Canadian Expeditionary Force during the First World War