Miss Earth 2018 was the 18th edition of the Miss Earth pageant with the theme "Goddesses of the Earth", held on November 3, 2018 at Mall of Asia Arena in Pasay, Metro Manila, Philippines.
Karen Ibasco of the Philippines crowned Nguy?n Phuong Khánh of Vietnam as her successor at the end of the event.
This is the first time Vietnam won the Miss Earth pageant, one of the Big Four international beauty pageants.
On October 20, 2018, Miss Earth announced in their Facebook page that they will have this year's Eco-Video and Eco-Media Award winners, an automatic fast-tracks to the Top 18.
Two candidates will earn two spots through the preliminary panel of judges and by the votes of social media.