Miss Earth 2018 is the 18th edition of the Miss Earth pageant. Karen Ibasco of the Philippines crowned Nguyễn Phương Khánh of Vietnam on November 3, 2018.^[1]

• 87 contestants competed in the pageant:
  •  Argentina – Dolores Cardoso
  •  Armenia –
  •  Austria –
  •  Australia –
  •  Bahamas –
  •  Belarus –
  •  Belgium – Faye Bulcke
  •  Belize –
  •  Bolivia –
  •  Bosnia and Herzegovina –
  •  Brazil –
  •  Cambodia – Keo Senglyhour
  •  Cameroon – Béatrice Doudou
  •  Chile –
  •  China –
  •  Colombia – Valeria Ayos
  •  Costa Rica – Arianna Medrano
  •  Crimea –
  •  Croatia –
  •  Cuba –
  •  Curaçao –
  •  Cyprus – María Armenáki
  •  Czech Republic – Tereza Křivánková
  •  Denmark –
  •  Dominican Republic –
  •  Ecuador –
  •  Egypt –
  •  England –
  •  France – Allison Dernard
  •  Germany –
  •  Ghana –
  •  Greece –
  •  Guadeloupe –
  •  Guam – Emma Sheedy
  •  Guatemala –
  •  Guyana – Xamiera Kippins
  •  Haiti –
  •  Honduras – Diana Palma
  •  Hungary – Patrícia Galambos
  •  Indonesia – Ratu Vashti
  •  Ireland –
  •  Israel –
  •  Italy – Sofia Pavan
  •  Japan – Mio Tanaka
  • Korea – Kim Soomin
  •  Liberia –
  •  Malaysia – Jasmine Yeo
  •  Malta – Yanika Azzopardi
  •  Mauritius –
  •  Mexico – Melissa Flores
  •  Moldova – Dumitrita Izbisciuc
  •  Montenegro –
  •  Myanmar –
  •    Nepal – Priya Sigdel
  •  Netherlands –
  •  New Zealand – Jzayla Hughey
  •  Northern Ireland – Christie van Schalkwyk
  •  Nigeria –
  •  Panama – Diana Lemos
  •  Paraguay –
  •  Peru –
  •  Philippines – Celeste Cortesi
  •  Poland –
  •  Portugal – Telma Madeira
  •  Puerto Rico –
  •  Réunion – Alexia Aupin
  •  Romania –
  •  Russia – Daria Kartyshova
  •  Rwanda –
  •  Samoa – Rebecca Sang-Yum
  •  Serbia – Nina Jovanović
  •  Sierra Leone –
  •  Singapore – Kara Dong
  •  Slovenia –
  •  South Africa – Margo Fargo
  •  Spain – Carolina Jane
  •  Sri Lanka –
  •  Sweden –
  •  Thailand –
  •  Tonga – Maria Aholelei
  •  Trinidad and Tobago – Afeya Jeffrey
  •  Ukraine –
  •  United States – Yashvi Aware
  •  Venezuela – Diana Silva
  •  Vietnam – Nguyễn Phương Khánh
  •  Zambia –