Eday (disambiguation)

Eday or variants may refer to:

• Eday, one of the islands of Orkney, Scotland
• eDay, an electronic waste initiative in New Zealand
• E-Day, a military designation of days and hours
• El Día E ('E-Day'), Spanish Language Day
• Flugplatz Strausberg, Germany, ICAO airport EDAY
• Niño Martin Eday (born 1993), Filipino mountain biker