9E or 9-E can refer to: * 9th meridian east * IATA code for Endeavor Air * List of highways numbered 9E * US 9E, or U.S. Route 9 in New York * US 9E (NJ), or U.S. Route 9 in New Jersey * SSH 9E (WA); see Washington State Route 104 * Route 9E (WMATA); see List of Metrobus routes (Washington, D.C.) * AIM-9E, a model of AIM-9 Sidewinder * 9e, French for 9th * Paris 9e (9e arrondissement), or 9th arrondissement of Paris * 9e RIMA, or 9th Marine Infantry Regiment * 9e Régiment de Chasseurs Parachutistes, or 9th Parachute Chasseur Regiment * HP 9E, Windows codepage 1250 in Hewlett-Packard printers