Miss Earth 2004 was the fourth edition of the Miss Earth pageant, held at the University of the Philippines Theater in Quezon City, Metro Manila, Philippines, on October 24, 2004.

Dania Prince of Honduras crowned Priscilla Meirelles of Brazil as her successor at the end of the event, and with her win, Brazil became the first country to win all of the Big Four beauty pageants.

List of countries and delegates that participated in Miss Earth 2004: