N68 may refer to :

• N68 road (Ireland), a national secondary road in Ireland
• London Buses route N68, a night bus route in London, England

• Engelbart's Law
• Engelberg Abbey (Bavaria)
• Engelbert B. Born House
• Engelbert Dorbrandt
• Engelbert Dörbandt
• Engelbert Dörbrandt
• Engelbert François van Berckel
• Engelbert Haider
• Engelbert Humperdinck (album)
• Engelbert II of Nassau-Breda (1451-1504)
• Engelbert Liévin Siclers
• Engelbert (name)
• Engelbert of Carinthia
• Engelbert-Schmidt zero-one law
• Engelbert Seibertz
• Engelbert Seibertz (architect)
• Engelbert Seibertz (painter)
• Engelbert Siebler
• Engelbert Sonneborn
• Engelbert Strauss
• Engelbertus Lucas (1747 - 1797)
• Engelbertus Lucas (1785 - 1870)
• Engelbertus Lucas Jr.
• Engelbertus Lucas Sr.
• Engelbert Valentin Niedermeyer