The 5th Seiyu Awards ceremony was held on March 5, 2011 in Tokyo.[1] The period of general voting lasted from Oct 22, 2010 to Jan 1, 2011.[2] Some awards were given in February, ahead of the ceremony.[3]
Winners are listed below.[4] [5]
| Winners | Agency | Characters | Anime | |
|---|---|---|---|---|
| Best Actor in leading role | ||||
| No award given | N/A | N/A | N/A | |
| Best Actress in leading role | ||||
| Aki Toyosaki | Music Ray'n | Yui Hirasawa | K-On!! | |
| Best Actors in supporting roles | ||||
| Nobuhiko Okamoto | Takumi Usui Eiji Niizuma Accelerator | Kaichō wa Maid-sama! Bakuman Toaru Majutsu no Index II | ||
| Kazuya Nakai | Roronoa Zoro Hijikata Toshirō | One Piece Gintama | ||
| Best Actresses in supporting roles | ||||
| Satomi Arai | Yu-rin Pro | Kuroko Shirai Narrator | Toaru Kagaku no Railgun Ōkami-san to Shichinin no Nakama-tachi | |
| Kanae Itō | Aoni Production | Elucia de Lute Ima Sanae Nagatsuki | The World God Only Knows Shinryaku! Ika Musume | |
| Best Rookie actors | ||||
| Kōki Uchiyama | Banagher Links Natsuno Yūki | Mobile Suit Gundam UC Shiki | ||
| Best Rookie actresses | ||||
| Hisako Kanemoto | Ika Musume Kanata Sorami | Shinryaku! Ika Musume So Ra No Wo To | ||
| Satomi Satō | Aoni Production | Wendy Marvell Manami Tamura Ritsu Tainaka | Fairy Tail Ore no Imōto ga Konna ni Kawaii Wake ga Nai K-On!! | |
| Best Personality | ||||
| Winner | Agency | Radio Programs | Broadcasting Station | |
| Aki Toyosaki | Music Ray'n | Radion! | Pl@net Sphere Toyosaki Aki no Okaeri Radio | |
| Best Musical Performance | ||||
| Winners | Record Label | Album | Anime | |
| Minori Chihara | Lantis | The Disappearance of Haruhi Suzumiya | ||
| Winners | Agency | |||
| Special Achievement Award | ||||
| Nachi Nozawa | Office PAC (final career) | |||
| Achievement Award | ||||
| Isao Sasaki | One Pair | |||
| Hiroko Suzuki | Ken Production | |||
| Masa'aki Yajima | Freelance | |||
| Synergy Award | ||||
| Detective Conan (Minami Takayama) | ||||
| Kei Tomiyama Memorial Award (Topical Award) | ||||
| Rikiya Koyama | Gekidan Haiyūza | |||
| Overseas Fan's Award | ||||
| Miyuki Sawashiro | Mausu Promotion | |||
| Kids Family Award | ||||
| Junko Takeuchi | Ogi Pro The Next | |||
| Kazue Takahashi Memorial Award | ||||
| Mayumi Tanaka | Aoni Production | |||