The 1st Seiyu Awards ceremony was held on March 3, 2007 at the Akiba 3D Theater in Akihabara, Tokyo.[1] General voting categories had 10 nominations each for Best Lead (actor/actress), Best Supporting (actor/actress), Rookie (actor/actress), Singing, and Personality. Special Achievement, Achievement, and Synergy Awards were selected by the event without nominations.[2] The period of general voting lasted from October 21, 2006 to January 10, 2007.
Winners are listed below.[3]
| Winners | Agency | Characters | Anime |
|---|---|---|---|
| Best Actor in leading role | |||
| Jun Fukuyama | Code Geass - Lelouch of the Rebellion | ||
| Best Actress in leading role | |||
| Romi Park | Theatrical group En | NANA | |
| Best Actors in supporting roles | |||
| Akira Ishida | Mobile Suit Gundam Seed Destiny | ||
| Kōki Miyata | Kazumi Yoshinaga | Yoshinaga-san Chi no Gargoyle | |
| Best Actresses in supporting roles | |||
| Ami Koshimizu | Gekidan Wakakusa | Code Geass - Lelouch of the Rebellion | |
| Yuko Goto | Production Baobab | The Melancholy of Haruhi Suzumiya | |
| Best Rookie actors | |||
| Tetsuya Kakihara | 81 Produce | Princess Princess | |
| Masakazu Morita | Bleach | ||
| Best Rookie actresses | |||
| Yui Kano | Aoni Production | Momoko Kuzuryu | Sumomomo Momomo |
| Aya Hirano | Space Craft | The Melancholy of Haruhi Suzumiya | |
| Best Personality | |||
| Winner | Agency | Radio Programs | Broadcasting Station |
| Masumi Asano | Arts Vision | A&G Super Radio Show - Anispa! | JOQR |
| Best Musical Performance | |||
| Winners | Record Label | Song | Anime |
| Nana Mizuki | Justice to Believe, opening theme | Wild Arms V | |
| Special Achievement Award | |||
| Winners | Agency | ||
| Kei Tomiyama | Production Baobab (final career) | ||
| Achievement Award | |||
| Toru Ohira | Ohira Production | ||
| Masako Ikeda | Haikyō | ||
| Noriko Ohara | Production Baobab | ||
| Mariko Mukai | 81 Produce | ||
| Synergy Award | |||
| Pokémon | |||
| Best Actor in leading role | |||
| Nominees | Characters | Anime | Winners |
|---|---|---|---|
| Hakuoro | |||
| Haseo | |||
| Kenichi Shirahama | |||
| Jun Fukuyama | Won | ||
| Keiichi Maebara | |||
| Ryuusei Date | Super Robot Wars Original Generation: Divine Wars | ||
| Zedd | |||
| Best Actress in leading role | |||
| Kou Shuurei | |||
| Hiroko Matsukata | |||
| Akazukin | |||
| Masane Amaha | |||
| Romi Park | Won | ||
| Youko | |||
| Best Actors in supporting roles | |||
| Akira Ishida | Won | ||
| Shinobu Ousaki | La Corda D'Oro ~primo passo~ | ||
| Takumi Mayama | |||
| Mobile Suit Gundam Seed Destiny Final Plus - The Chosen Future | |||
| Kouki Miyata | Kazumi Yoshinaga | Won | |
| Gargoyle | Yoshinaga-san Chi no Gargoyle | ||
| Best Actresses in supporting roles | |||
| Kagura | |||
| Ami Koshimizu | Won | ||
| Yuko Goto | Won | ||
| Aruru | |||
| Mobile Suit Gundam Seed Destiny Final Plus - The Chosen Future | |||
| Rika Furude | |||
| Misa Amane | |||
| Best Rookie Actors | |||
| Tetsuya Kakihara | Mikoto Yutaka | Won | |
| Dick Arkain | Gaiking The Legend of Daikū Maryū | ||
| Wataru Harue | Princess Princess | ||
| Shinsan | |||
| Light Yagami | |||
| Masakazu Morita | Won | ||
| Best Rookie Actresses | |||
| Yui Kano | Momoko Kuzuryu | Won | |
| Saya Otonashi | |||
| Solty Revant | |||
| Aka Onda | |||
| Aya Hirano | Won | ||
| Misaki Nakahara | |||
| Iroha Miyamoto | |||
| Best Music Performance | |||
| Nominees | Songs | Anime | |
| Kazemachi Jet, ending theme | |||
| Heated Heart, opening theme | |||
| Jet Drive, image song | |||
| Ashita no Kioku, opening theme | |||
| Infinite Love, opening theme | |||
| Ever-Never-Land, opening theme | |||
| Bouken Desho Desho?, opening theme | |||
| Hare Hare Yukai, ending theme | The Melancholy of Haruhi Suzumiya | ||
| Hikari, opening theme | |||
| Nana Mizuki | Justice to Believe, opening theme | Won | |
| Best Radio Personality | |||
| Nominees | Radio Programs | Broadcasting Station | |
| Masumi Asano | A&G Super Radio Show - Anispa! | Won | |
| Utawarerumono Radio | Internet radio | ||
| Comchat Countdown | JOQR | ||
| Mitsuo Iwata & Kenichi Suzumura Sweet Ignition | |||
| Yukari Tamura | Tamura Yukari no Itazura Kuro Usagi | JOQR | |
| Hayashibara Megumi no Heartful Station | Radio Kansai | ||
| Horie Yui no Tenshi no Tamago | JOQR | ||
| Mizuki Nana no Smile Gang | JOQR | ||
| Tokyo Anime Center Radio | JOQR | ||
| Utawarerumono Radio | Internet radio | ||