| Japanese Names | American Names | Significance to the Story | |
| Luna | Luna | Guardian cat to Usagi. | |
| Artemis | Artemis | Gaurdian cat to Minako. | |
| Phobos | Phobos | One of Rei's crows. | |
| Deimos | Deimos | One of Rei's crows. | |
| Queen Selenity | Queen Serenity | Princess Selenity/Usagi's mother in the past, Queen of the Silver Mellenia. | |
| Tsukino Usagi | Serena Tsukino | The Princess Selenity, future Neo-Queen Selenity, and hero of the show, Sailor Moon. | |
| Chibi Usagi | Rini | Small Lady, the future Princess Selenity, daughter of Usagi and Mamoru, and Sailor Chibi Moon. | |
| Mizuno Ami | Amy Anderson | Sailor Mercury. | |
| Hino Rei | Raye Hino | Sailor Mars | |
| Kino Makoto | Lita Kino | Sailor Jupiter | |
| Aino Minako | Mina Aino | Sailor V, V-babe, and Sailor Venus. | |
| Meio Setsuna | Trista Meio | Puu, the Guardian of Time, and Sailor Pluto. | |
| Tenou Haruka | Amara Tenou | Sailor Uranus. | |
| Tomoe Hotaru | Hotaru Tomoe | Sailor Saturn, the Senshi of Destruction | |
| Kaiou Michiru | Michelle Kaiou | Sailor Neptune | |
| Chiba Mamoru | Darien Shields | The past Prince Endymion, Tuxedo Kamen/Mask, Moonlight Knight(anime), and the future Neo-King Endymion. | |
| Qeen Metalia | the Negaforce | The all powerfull force behind the Negaforce. | |
| Queen Beryl | Queen Beryl | Leader of the Negaforce, subserviant only to Queen Metalia. | |
| Jadeite | Jedite | A General of the Negaverse, former General of Prince Endymion. | |
| Nephrite | Neflite | A General of the Negaverse, former General of Prince Endymion. | |
| Zoisite | Zoycite | A General of the Negaverse, former General of Prince Endymion. | |
| Kunzite | Malachite | A General of the Negaverse, former General of Prince Endymion. | |
| Ginga Seijuurou | Alan Granger | A child of the "Doom Tree" who crash-landed on earth with Ann. | |
| Ginga Natsumi | Ann Granger | A child of the "Doom Tree" who crash-landed on earth with Ail. | |
| Makaiju | Doom Tree/Tree of Life | The plant "Mother" of an alien race. Ail and Ann's race. | |
| Cooan | Katzie | The oldest (in the dub) of the Ayakashi Sisters. | |
| Beruche | Birdie | The youngest (in the dub) of the Ayakashi Sisters. | |
| Calaveras | Avery | The second youngest (in the dub) of the Ayakashi Sisters. | |
| Petz | Prisma | The second oldest (in the dub) of the Ayakashi Sisters. | |
| Rubeus | Rubeus | General to Prince Diamonde. | |
| Esmeraulde/Esmerodo | Emeralde | General to Prince Diamonde. | |
| Safiru | Sapphire | Brother to Prince Diamonde. | |
| Prince Diamonde/Dimando | Prince Diamond | Prince of the Dark Moon family. Seeks to make Queen Selenity his own. | |
| Black Lady | Wicked Lady | She is the evil form of Chibi Usa when coersed by the Wiseman | |
| Wiseman | Wiseman | Servant to Chaos. | |
| Tsukino Shingo | Sammy Tsukino | Usagi's younger brother. | |
| Tsukino Kenji | Kenji Tsukino | Usagi's dad. | |
| Tsukino Ikuko | Ikuko Tsukino | Usagi's mother | |
| Furuhata Motoki | Andrew Furuhata | Runs the Crown Arcade where Usagi and her friends hang out. | |
| Furuhata Unazuki | Lizzie Furuhata | Motoki's younger sister. | |
| Osaka Naru | Molly Baker | Serena's first best friend. | |
| Gurio Umino | Melvin Gurio | Geeky schoolmate of Usagi and Naru. | |
| Sakurada Haruna | Ms. Patricia Haruna | Usagi's english teacher. | |
| Kayama Mika | Mika Sakurada | One of Sammy's friends. | |
| Kumada Yuuichirou | Chad Kumada | A tired rock star who works for, and has a crush on, Rei. | |
| Urawa Ryo | Greg Urawa | A former Shadow Warrior, has a crush on Ami. | |
| Pharaoh 90 | Pharaoh 90 | The evil entity in the stars(?) season. | |
| Professor Tomoe | Professor Tomoe | Hotaru's father and drone of Pharoah 90's. | |
| Kaolinite | Kaorinite | Agent of Pharoah 90,deployed by Prof. Tomoe. In love with Tomoe. | |
| Eudial | Eudial | The first of the Witches 5. | |
| Mimete | Mimete | The second of the Witches 5. | |
| Tellu | Tellu | The third of the Witches 5. | |
| Villu | Villu | The fourth of the Witches 5. | |
| Cyprine/Pitol | Cyprine/Pitol | The fifth of the Witches 5. | |
| Mistress 9 | Mistress 9 | Handmaiden of Pharoah 90, an entity that grew, unkown, within Hotaru. | |
| Nehelenia | Neherenia | Queen of the Dead Moon Circus | |
| Zirconia | Zirconia | Nehelenia's righthand henchwoman/man(NA dub) | |
| Tiger's Eye | Tiger's Eye | One of the Amazon Trio | |
| Hawk's Eye | Hawk's Eye | One of the Amazon Trio | |
| Fish's Eye | Fish's Eye | One of the Amazon Trio | |
| Palla Palla/Sailor Pallas(manga only) | Para Para | One of the Amazoness Quartet | |
| Jun Jun/Sailor Juno(manga only) | Jun Jun | One of the Amazoness Quartet | |
| Ves Ves/Sailor Vesta(manga only) | Ves Ves | One of the Amazoness Quartet | |
| Cere Cere/Sailor Ceres(manga only) | Cele Cele | One of the Amazoness Quartet | |
| Galaxia | Galaxia | Sailor Galaxia. She is the Legendary Golden Senshi and the most powerful of all. She trapped Chaos in her body to protect others, but forgot that she sometimes needed help from others and that she could not do everything alone. She was not strong enough to contain it, and so it corrupted her, turning her into an evil senshi. | |
| Sailor Iron Mouse/Nezu Chuuko | N/A | The first Animamate to appear. | |
| Sailor Aluminum Siren/Aya Reiko | N/A | The second Animamate to appear. | |
| Sailor Lead Crow/Akane Karasuma | N/A | The third Animamate to appear. | |
| Sailor Tin Nyanko/Suzu Nyanko | N/A | The fourth Animamate to appear. | |
| Sailor Metal Papillion(manga only) | N/A | The fifth Animamate to appear. | |
| Sailor Lethe (manga only) | N/A | Desert River Senshi, Guardian of the River of Oblivion. Took Eternal Sailor Moon's memory. | |
| Sailor Mnemosyne (manga only) | N/A | Desert River Senshi, Guardian of the River of Memory. Persuaded Lethe to return Eternal Sailor Moon's memory. | |
| Sailor Phi(manga only) | N/A | Starseed Gardener. Killed Lethe, Mnemosyne, and Kakyuu. | |
| Sailor Chi(manga only) | N/A | Starseed Gardener. Killed Lethe, Mnemosyne, and Kakyuu. | |
| Sailor Cosmos | N/A | She is the future form of Sailor Moon. | |
| Chibi Chibi | N/A | In the anime, she is the Star Seed of Galaxia. In the Manga, she is Sailor Cosmos come to the past to comfort Usagi over the loss of Mamoru and to escape her own destiny in the future. | |
| Princess Kakyuu | N/A | She is the princess of the three Star Lights. They have come to earth in search of her. | |
| Kou Seyia | N/A | Sailor Star Fighter. One of the three Starlights who have come to earth in search of their Princess, Kakyuu. They use the cover of idols to aid in their search. | |
| Kou Yaten | N/A | Sailor Star Healer. One of the three Starlights who have come to earth in search of their Princess, Kakyuu. They use the cover of idols to aid in their search. | |
| Kou Taki | N/A | Sailor Star Maker. One of the three Starlights who have come to earth in search of their Princess, Kakyuu. They use the cover of idols to aid in their search. |