| Winner: | Priscilla Meirelles |
| Represented: | Brazil |
| Congeniality: | Stephanie Brownell, United States |
| Best National Costume: | Gabriela Zavala, Honduras |
| Photogenic: | Priscilla Meirelles, Brazil |
| Date: | October 24, 2004 |
| Entrants: | 61 |
| Placements: | 16 |
| Venue: | University of the Philippines Theater, Quezon City, Philippines |
| Before: | 2003 |
| Next: | 2005 |
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.
| Placement | Contestant | |
|---|---|---|
| Miss Earth 2004 | ||
| Miss Earth – Air 2004 |
| |
| Miss Earth – Water 2004 |
| |
| Miss Earth – Fire 2004 | ||
| Top 8 |
| |
| Top 16 |
|
| Awards | Contestant | |
|---|---|---|
| Miss Friendship |
| |
| Miss Photogenic | ||
| Miss Talent |
| |
| Best in National Costume | ||
| Best in Evening Gown |
| |
| Best in Swimsuit |
| Awards | Contestant | |
|---|---|---|
| Miss Close-up Smile | ||
| Miss Creamsilk | ||
| Miss Discovery Spa | ||
| Miss Earth Fort Ilocandia |
| |
| Miss Ponds Beautiful Skin |
| |
| Miss Sunsilk |
| |
| Gandang Ricky Reyes Award |
| |
| Texters' Choice Award |
List of countries and delegates that participated in Miss Earth 2004:
| Country/Territory | Contestant | Age | Hometown | |
|---|---|---|---|---|
| Vilma Masha[2] | 19 | Tirana | ||
| Daniela Puig | Buenos Aires | |||
| Shenevelle Dickson | Sydney | |||
| Ruchika Sharma | Brussels | |||
| Muriel Cruz | 18 | Montero | ||
| Ana Suton | Sarajevo | |||
| Priscilla Meirelles | 21 | Belém | ||
| Kristiana Dimitrova | Sofia | |||
| Tanya Beatriz Munizaga | ||||
| Myriam Commelin | ||||
| Erika Niklitschek Schmidt | ||||
| Nicole Liu Xu | ||||
| Maria Fernanda Navia | ||||
| Karlota Calderon | ||||
| Thea Frojkear | ||||
| Nileny Dippton | ||||
| Maria Luisa Barrios | ||||
| Arwa Gouda | ||||
| Gabriela Mejía[3] | 19 | San Salvador | ||
| Jana Gruft | ||||
| Ferehyiwot Abebe[4] | 18 | Bahir Dar | ||
| Iida Laatu | ||||
| Audrey Nogues | ||||
| Maame Afua Akyeampong | ||||
| Hannah McCuaig | ||||
| Mirza Odette Garcia | ||||
| Gabriela Zavala | ||||
| Jyoti Brahmin | ||||
| Keren Somekh | ||||
| Susan Kaittany | ||||
| Lana Khattab | ||||
| Natalija Grubovik | ||||
| Eloise Law | 20 | Selangor | ||
| Murielle Celimene | 18 | Fort-de-France | ||
| Valentina Cervera | 18 | Yucatán | ||
| Anita Gurung | 18 | Pokhara | ||
| Saadia Himi | 20 | Nijmegen | ||
| Rachael Tucker[5] | Palmerston North | |||
| Marifely Argüello[6] | 22 | Managua | ||
| Ufuoma Stacey Ejenobor | 23 | Benin City | ||
| Brigitte Korsvik | Oslo | |||
| Yanina González[7] | 24 | Asunción | ||
 Peru | Liesel Holler[8] | 24 | Cerro de Pasco | |
| Tamera Szijarto | 21 | Manila | ||
| Karolina Gorazda[9] | 24 | Ostrowiec Świętokrzyski | ||
| Frederica Santos | Lisbon | |||
| Shanira Blanco | 23 | San Juan | ||
| Katarina Hadži Pavlović | Belgrade | |||
| Nicole Sze Chin Nee | Singapore | |||
| Sally Leung | ||||
| Hye-jin Cho | ||||
| Sara Jilena Lundemo | ||||
| Simone Röthlisberger | ||||
| Stephanie Lesage | ||||
| Angel Wu | ||||
| Sophia Byanaku | ||||
| Radchadawan Khampeng | Phitsanulok | |||
| Leah Mari Guevara | ||||
| Stephanie Brownell | ||||
| Katherine Gonzalves | ||||
| Bùi Thúy Hạnh |