- Afrikaans: Happy aarde dag
- Albanian: Gëzuar ditë toka
- Arabic: سعيد يوم الأرض
- Azerbaijani: Xoş yer gün
- Basque: Zoriontsu lurraren eguna
- Belarusion: Шчаслівы дзень Зямлі
- Bengali: শুভ আর্থ ডে
- Bulgarian: Честит Ден на Земята
- Catalan: Feliç Dia de la Terra
- Chinese Simpified: 快乐地球日
- Chinese Traditional: 快樂地球日
- Croatian: Sretan Dan planeta Zemlje
- Czech: Sretan Dan planeta Zemlje
- Danish: Tillykke med Jordens Dag
- Dutch: Gelukkig Dag van de Aarde
- Esperanto: Feliĉa tero tago
- Estonian: Palju Maapäev
- Filipino: Maligayang lupa araw
- Finnish: Hyvää Earth Day
- French: Jour de la Terre heureux
- Galician: Feliz Día da Terra
- Georgian: ბედნიერი დედამიწის დღე
- Greek: Καλή Ημέρα της Γης
- Gujarati: હેપી પૃથ્વી દિવસ
- Haitian Creole: Kè kontan sou latè jou
- Hebrew: יום כדור הארץ שמח
- Hindi: हैप्पी पृथ्वी दिवस
- Hungarian: Boldog Föld Napja
- Icelandic: Til hamingju með jörð dag
- Indonesian: Selamat hari bumi
- Irish: Lá cré Shona
- Italian: Giornata della Terra Felice
- Japanese: 幸せな地球の日
- Kannada: ಹ್ಯಾಪಿ ಭೂಮಿಯ ದಿನ
- Korean: 해피 지구의 날
- Latin: Felix terra die
- Latvian: Laimīgs zeme diena
- Lithuanian: Happy žemių diena
- Macedonian: Среќен Ден на планетата Земја
- Malay: Bumi hari bahagia
- Maltese: Jum Happy art
- Norwegian: Tillykke Med Jorddagen
- Persian: روز جهانی زمین مبارک
- Polish: Szczęśliwy dzień ziemia
- Portuguese: Feliz Dia da Terra
- Romanian: Fericit Ziua Pamantului
- Russian: Счастливый день Земли
- Serbian: Срећан Дан планете Земље
- Slovak: Šťastný Deň Zeme
- Slovenian: Srečen Dan Zemlje
- Spanish: Feliz Día de la Tierra
- Swahili: Furaha duniani siku
- Swedish: Lycklig Jord Dag
- Tamil: சந்தோஷமாக பூமி நாள்
- Telugu: హ్యాపీ భూమి రోజు
- Thai: วันคุ้มครองโลกมีความสุข
- Turkish: Mutlu toprak gün
- Ukrainian: Щасливий день Землі
- Urdu: خوش زمین کے دن
- Vietnamese: Ngày hạnh phúc trái đất
- Welsh: Diwrnod ddaear Hapus
- Yiddish: מזל ערד טאָג