| The Adventures of Jimmy Neutron, Boy Genius |
 Singapore |
| The Adventures of Jimmy Neutron, Boy Genius |
 South Africa |
| The Adventures of Jimmy Neutron, Boy Genius |
 Australia |
| The Adventures of Jimmy Neutron, Boy Genius |
 Canada |
| The Adventures of Jimmy Neutron, Boy Genius |
Canada |
| The Adventures of Jimmy Neutron, Boy Genius |
 West Germany |
| The Adventures of Jimmy Neutron, Boy Genius |
 Ecuador |
| The Adventures of Jimmy Neutron, Boy Genius |
 United Kingdom |
| The Adventures of Jimmy Neutron, Boy Genius |
 Indonesia |
| The Adventures of Jimmy Neutron, Boy Genius |
 India |
| The Adventures of Jimmy Neutron |
 USA |
| The Adventures of Jimmy Neutron: Boy Genius |
 Malaysia |
| The Adventures of Jimmy Neutron: Boy Genius |
 Philippines |
| The Adventures of Johnny Quasar (original script title) |
USA |
| As Aventuras de Jimmy Neutron, o Menino Gênio |
 Brazil |
| Aventurat e Xhimi Neutron: Djali Gjeni |
 Albania |
| Les aventures de Jimmy Neutron, un garçon génial |
 France |
| Aventurile lui Jimmy Neutron: Micul Geniu |
 Romania |
| De Avonturen van Jimmy Neutron: Wonderkind |
 Netherlands |
| Le avventure di Jimmy Neutron |
 Italy |
| Dahi oğlan Cimmi Neytronun sərgüzəştləri |
 Azerbaijan |
| Daho bola Jimmi Neytronning sarguzashtlari |
 Uzbekistan |
| Dobrodružství Jimmyho Neutrona, malého génia |
 Czechoslovakia |
| Geniet Jimmy Neutron (dubbed version) |
 Norway |
| Jimmy Neutron (short title) |
France |
| Jimmy Neutron |
 Portugal |
| Jimmy Neutron (short title) |
USA |
| Jimmy Neutron kalandjai |
 Hungary |
| Jimmy Neutron: Mały geniusz |
 Poland |
| Las aventuras de Jimmy Neutrón, el niño inventor |
 Spain |
| Las aventuras de Jimmy Neutrón: El niño genio |
 Mexico |
| Las aventuras de Jimmy Neutrón: El niño genio |
 Peru |
| Las aventuras de Jimmy Neutrón: El niño genio |
USA |
| Niels Neutron - Det Lille Geni |
 Denmark |
| Roni Neutroni |
 Finland |
| Thế giới thần kỳ của Jimmy |
 Vietnam |
| Οι περιπέτειες του Τζίμι Νιούτρον |
 Greece |
| Данышпан бала Джимми Нейтронның шытырман оқиғалары |
 Kazakhstan |
| Пригоди Джиммі Нейтрона |
 Ukraine |
| Приключения Джимми Нейтрона, мальчика-гения |
 Russia |
| Приключенията на Джими Неутрон |
 Bulgaria |
| द एडवेंचर्स ऑफ़ जिमी न्यूट्रॉन: बॉय जीनियस |
India |
| ジミー・ニュートロン 僕は天才発明家! |
 Japan |
| 天オ小子吉米 |
 China |
| 天オ小子吉米 |
 Taiwan |
