Irish Rangers

Irish Rangers may refer to:
 * Irish Army Rangers, the special forces unit of the Irish Defence Forces
 * 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