6E or 6-E can refer to:
"6e", meaning "6th" ("sixth") in Afrikaans, Dutch, and French
France–related topics Paris 6e (or 6e arrondissement), the 6th arrondissement of Paris
Military units 6e RG, abbreviation for 6th Engineer Regiment (France) 6e-12e Régiment de Cuirassiers, or 6th-12th Cuirassier Regiment 6e Régiment de Parachutistes d'Infanterie de Marine, or 6th Marine Infantry Parachute Regiment 6e division légère blindée, or 6th Light Armoured Brigade (France)
Geography 6th meridian east
People Jean II, 6e Duc de Bourbon, or John II, Duke of Bourbon Louis III, 6e Prince de, Duc de Bourbon Conde, or Louis III, Prince of Condé Paul de Noallies, 6e duc de Noailles, or Paul de Noailles, 6th Duke of Noailles Maurice de Broglie, 6e Duc de Broglie, or Maurice de Broglie, 6th Duke of Broglie
Science and technology Category 6e cable, a marketing term for a type of Category 6 cable Wi-Fi 6E, a subset of the Wi-Fi 6 standard
Travel 6E, IATA code for IndiGo, an Indian airline
Vehicles A-6E, a model of Grumman A-6 Intruder South African Class 6E, a locomotive Schleicher K 6E, a model of Schleicher Ka 6 Mazda 6e, an electric midsize car
Works of fiction 6E, the production code for the 1983 Doctor Who serial Arc of Infinity "Dungeons & Dragons 2024", a backwards-compatible update of Dungeons & Dragons 5th edition, sometimes given the nickname "D&D 6e"
See also E6 (disambiguation)