Data is taken from various sources, such as magazines or official sites. It is not very complete, but I hope you find your favorite seiyuu's birthday here! For more seiyuu birthdays, check out the Tennis no Oujisama section.

JANUARY
Toyoguchi Megumi [2], Iizuka Mayumi, Itou Kentarou, Tanaka Rie [3], Yukana [6], Honna Youko [7], Gotou Saori [8], Mitsuhashi Kanako, Yuzuki Ryouka [10], Hikami Kyouko [11], Iwai Yukiko, Nozawa Nachi [13], Kaida Yuuko [14], Tanaka Mayumi [15], Tamagawa Sakiko [20], Mizuki Nana [21], Nakahara Shigeru, Paku Romi [22], Terakada Hitomi [24], Kobayashi Sanae, Morikawa Toshiyuki [26], Nakayama Sara [29], Higuchi Chieko [30]

FEBRUARY
Saeki Tomo [2], Okamoto Maya [3], Chiba Shigeru [4], Nakao Ryuusei [5], Kobayashi Yuuko, Noto Mamiko [6], Ishige Sawa, Matsumoto Yasunori [7], Noto Mamiko [6], Nakanishi Tamaki, Yuuki Hiro [13], Koshimizu Ami [15], Iwao Junko [18], Irino Miyu, Kasahara Hiroko [19], Kozakura Etsuko [22], Kisaichi Atsuhi, Nakahara Mai [23], Chiba Chiemi [25], Tamura Yukari [27], Ookawa Tooru [28]

MARCH
Nogawa Sakura [1], Sugiyama Noriaki [3], Natsuki Rio [5], Horie Mitsuko [8], Okamura Akemi, Saitou Chiwa, Shiina Hekiru [12], Nanri Yuuka [13], Nojima Kenji [16], Nakayama Erina [17], Kanai Mika, Miki Shinichirou [18], Asakawa Yuu [20], Shiratori Tetsu, Yamazaki Wakana [21], Ikura Kazue [23], Inoue Kazuhiko, Shimizu Ai [26], Kishio Daisuke [28], Oogata Kenichi, Tsuru Hiromi [29], Kawasumi Ayako, Hayashibara Megumi, Watanabe Misa [30], Sakamoto Maaya, Shintani Ryouko [31]

APRIL
Kingetsu Mami [2], Tominaga Miina [3], Matsui Naoko [4], Han Keiko, Takeuchi Junko [5], Ichijou Kazuya [11], Maeda Ai [19], Arishima Moyu, Nakata Jouji [22], Kikuchi Masami [24], Kawakami Tomoko [25], Tsujitani Kouji [26], Mochizuki Hisayo, Nishihara Kumiko [27], Tachiki Fumihiko [29]

MAY
Midorikawa Hikaru [2], Koyasu Takehito, Takayama Minami [5], Yamaguchi Mayumi [12], Nakamura Chie [14], Ishizuka Unshou [16], Narita Ken [18], Ootsuka Houchuu [19], Genda Tesshou [20], Kurata Masayo, Shimizu Kaori [21], Yamaguchi Kappei [23], Kamei Yoshiko, Yukino Satsuki [25], Kaneda Tomoko [29], Kugimiya Rie [30], Hidaka Noriko [30]

JUNE
Saitou Ayaka, Sawashiro Miyuki [2], Inoguchi Yuka [5], Ogata Megumi [6], Nonaka Ai [8], Ueda Kana [9], Kanna Nobutoshi [10], Seki Toshihiko [11], Saiga Mitsuki [12], Sakurai Takahiro [13], Mizushima Takahiro [14], Ueda Yuuji [15], Yamadera Kouchi, Yao Kazuki [17], Kakazu Yumi [18], Otomiya Tsubasa [20], Bungo Atsuko [22], Minaguchi Yuuko [26], Noda Junko [29]

JULY
Ootsuka Chikao, Nagashima Yuuko [5], Suyama Akio [8], Iguchi Yuka, Nagasawa Miki [11], Minami Omi [13], Suzuki Masami [14], Tsumura Makoto [22], Takagi Wataru [25], Mizuno Manabi, Mochizuki Hisayo [27], Madono Mitsuaki [28], Horiuchi Kenyuu [30], Iwata Mitsuo [31]

AUGUST
Hayami Shou [2], Nabatame Hitomi [4], Hirohashi Ryou [5], Hirata Hiroaki [7], Fukami Rika, Kuwatani Natsuko, Shinohara Emi [8], Taniyama Kishou [11], Kitamura Eri, Takano Urara [16], Sakamoto Chika [17], Ootani Ikue [18], Shiratori Yuri [20], Asano Masumi [25], Chiba Saeko, Nanba Keiichi, Utsumi Kenji [26], Mizuhashi Kaori [28], Hiramatsu Akiko [31]

SEPTEMBER
Nakajima Saki [1], Kouda Mariko [5], Shiraishi Ryouko [7], Kumai Motoko, Sanada Asami, Seki Tomokazu, Shimazu Saeko [8], Matsukaze Masaya [9], Yamamoto Maria [11], Suzumura Kenichi [12], Chiba Susumu, Matsuoka Yuki [13], Matsuki Miyu [14], Kamiya Akira [18], Horie Yui [20], Takada Yumi [21], Inoue Kikuo [25], Suganuma Hisayoshi [30]

OCTOBER
Neya Michiko [4], Tai Yuuki [6], Aikawa Rikako, Watanabe Kumiko [7], Hirano Aya [8], Kanda Akemi [10], Sakaguchi Daisuke [11], Katsuki Masako [15], Ooyama Nobuyo [16], Wakamoto Norio [18], Tomizawa Michie [20], Itou Miki [21], Nozawa Masako [25], Omimura Mayuko [26], Kanemaru Junichi [27], Fukui Yukari [28]

NOVEMBER
Enomoto Atsuko [1], Mizutani Yuuko [4], Araki Kae, Shishido Rumi, Tobita Nobuo [6], Shindou Naomi [9], Asano Mayumi [11], Ginga Banjou, Hisakawa Aya [12], Koorogi Satomi [14], Kimotsuki Kaneta [15], Amada Masato [16], Chihara Minori, Nishimura Chinami, Watanabe Akeno [18], Kusao Takeshi, Shimada Bin, Toochika Kouichi [20], Watanabe Naoko [21], Takamori Yoshino [23], Fukuyama Jun, Takagi Reiko [26], Matsumoto Rika [30]