Hoa hậu Trái Đất 2021
Các thí sinh tham dự cuộc thi sắc đẹp quốc tế khác

| Quốc gia/Vùng lãnh thổ | Thí sinh | Cuộc thi | Đại diện |
| --- | --- | --- | --- |

|  Belarus | Maria Perviy | Miss International 2019 (Top 15) |  Belarus |
|  Bolivia | Sarah Terán Antezan | Miss Piel Dorada Internacional 2016 |  Bolivia |
|  Bolivia | Sarah Terán Antezan | Miss Landscapes International 2019 (Top 7) |  Bolivia |

|  Bulgaria | Yulia Pavlikova | Miss Eurasia 2013 |  Crimea |
|  Bulgaria | Yulia Pavlikova |  |  |
|  Bulgaria | Yulia Pavlikova | Beauty of the World 2014 (Á hậu 1) |  Nga |
|  Bulgaria | Yulia Pavlikova |  |  Nga |
|  Bulgaria | Yulia Pavlikova | Queen International 2015 (Top 20) |  |
|  Bulgaria | Yulia Pavlikova |  |  |
|  Bulgaria | Yulia Pavlikova | The Queen of Eurasia 2016 (Á hậu 1) |  Crimea |
|  Bulgaria | Yulia Pavlikova |  |  |
|  Bulgaria | Yulia Pavlikova | Miss Europa 2017 (Top 20) |  Nga |
|  Bulgaria | Yulia Pavlikova |  |  |
|  Bulgaria | Yulia Pavlikova | Global Fest Eurasia Stars 2018 (Diamond Star of Eurasia) |  Crimea |
|  Bulgaria | Yulia Pavlikova |  |  |
|  Bulgaria | Yulia Pavlikova | Queen Peacemaker World 2018 (Hoa hậu) |  Nga |
|  Bulgaria | Yulia Pavlikova |  |  Nga |
| Lady Universe 2019 (Hoa hậu) |  |  |  Nga |
|  |  |  |  Nga |
| Miss Supermodel Globe 2020 (Hoa hậu) |  |  |  Nga |

Supermodel of the Planet 2020 (Quán quân): 

Miss World Next Top Model 2020 (Hoa hậu): 

| Miss Grand International 2022 |  Crimea |  |  |

| Miss Tourism World 2022 (Á hậu 3) |  Nga |  |  |

| Miss Universe 2023 |  Bulgaria |  |  |
|  Canada | Alice Li | Miss Intercontinental 2018 |  Canada |
|  Canada | Alice Li | Miss Global International 2019 (Hoa hậu) |  Trung Quốc |
|  Canada | Alice Li | Miss Supranational 2021 |  Trung Quốc |

|  Cuba | Cynthia Linnet Lau | Miss Intercontinental 2018 |  Cuba |
|  Cộng hòa Séc | Adéla Štroffeková | Miss Toursim World 2019 |  Cộng hòa Séc |

|  Đan Mạch | Cecilie Dissing | Miss Europa Continental 2017 |  Đan Mạch |
|  Đan Mạch | Cecilie Dissing |  |  Đan Mạch |
Miss Queen of Europe 2019 (Top 10): 
|  Anh | Kate Marie | Miss Eco International 2016 |  Anh |
|  Anh | Kate Marie | Miss Global 2017 |  Anh |

|  Estonia | Eliise Randmaa | Miss Grand International 2019 |  Estonia |
|  Estonia | Eliise Randmaa |  |  Estonia |
The Miss Globe 2020 (Top 15): 
|  Ý | Federica Rizza | Miss Eco International 2022 |  Ý |
|  Ý | Federica Rizza | The Miss Globe 2022 |  Ý |

|  Kyrgyzstan | Ekaterina Zabolotnova | Miss World 2019 |  Kyrgyzstan |
|  Latvia | Liene Leitane | The Miss Globe 2020 |  Latvia |
|  Latvia | Liene Leitane | Miss Aura International 2021 (Top 20) |  Latvia |
|  Latvia | Liene Leitane | Miss Environment International 2022 |  Latvia |

|  Montenegro | Andrijana Nina Delibašić | The Miss Globe 2020 (Top 15) |  Montenegro |
|  Montenegro | Andrijana Nina Delibašić |  |  Montenegro |
Miss Aura International 2021: 
|  Myanmar | Linn Htet Htet Kyaw | World Beauty Queen 2019 (Top 13) |  Myanmar |

|  Bắc Macedonia | Ana Brzanova | Top Model of the World 2019 |  Bắc Macedonia |
|  Bắc Macedonia | Ana Brzanova |  |  |
|  Bắc Macedonia | Ana Brzanova | The Miss Globe 2020 |  Serbia |
|  Bắc Macedonia | Ana Brzanova |  |  Serbia |
Miss Eurasia 2021: 

| Miss Aura International 2021 |  Bắc Macedonia |  |  |
|  New Zealand | Eva Louise Wilson | World Miss Tourism Ambassador 2017 |  New Zealand |
|  New Zealand | Eva Louise Wilson | Miss Supranational 2019 (Top 25) |  New Zealand |

|  Panama | Jillyan Chue | Miss Beauty World International 2014 (Hoa hậu) |  Panama |
|  Panama | Jillyan Chue |  |  Panama |
Miss Petite Universe 2017 (Á hậu 2): 
|  Hoa Kỳ | Marisa Paige Butler | Miss World 2018 (Top 30) |  Hoa Kỳ |

|  Venezuela | María Daniela Velasco | Miss United Continents 2017 (Top 10) |  Venezuela |
|  Zimbabwe | Jemima Mandemwa | Miss Super Globe 2019 (Á hậu 1) |  Zimbabwe |