Credits
The people who were involved in bringing you Mario Tennis Open (Nintendo 3DS) are listed below
| Role | Name(s) |
| Lead Game Designers | Hiroyuki Takahashi & Shugo Takahashi. |
| Director | Shugo Takahashi |
| Art Director | Fumihide Aoki |
| Sound Director | Masaaki Uno |
| Assistant Director | Yusuke Sugimoto |
| Game Design | Shuji Shimizu, Ayumu Shindo, Kentaro Sako, Norisumi Osawa, Mitsuru Someya, Taichi Kouno & Masatoshi Honda |
| Lead Programming | Haruki Kodera & Yutaka Yamamoto |
| Programming | Haruki Ooe, Takumi Yamada, Tessei Araki, Yoshinori Nishitaki, Masatoshi Muto, Akira Koike, Masayuki Matsumiya & Kazuyoshi Onodera |
| Technical Support | Kenji Numaya & Akiko Sato |
| Technical Supervisor | Yasuhiro Taguchi |
| Character Design | Fumihide Aoki |
| Character Animation | Fumihide Aoki, Teppei Kamata, Minami Iwaki, Mai Sogo, Asuka Aoki, Momoko Katano, Junko Nakada, Yumi Iwata, Shogo Chine & Mifuyu Kamihashira |
| Map Design | Satoshi Tamai, Hiroto Nakashima, Shinichiro Sugimoto, Kouji Kobayashi & Mari Nakayama |
| Window & Lettering | Mariko Sato, Kanako Horiguchi & Chihiro Ota |
| Sound Effects & Coordination | Masaaki Uno |
| Producers | Hiroyuki Takahashi & Shugo Takahashi |
| Music | Motoi Sakuraba |
| Main Character Voices | Charles Martinet, Sam Kelly, Deanna Mustard, Kazumi Totaka, Kenny James, Caety Sagoian, Sanae Susaki, Takashi Nagasako, Katsumi Suzuki, Yuuya Takezawa, Masato Mizuta, Tomoyuki Higuchi & Hitomi Hirose |
| Announcer Voices | Scott Burns, Bernard Dabaeyne, Michael Deckner, Marco Balzarotti, Jesus Rodriguez, Carsten Harmans, Alexander Meng & Tiago Perdiago |
| Supervisor | Shigeru Miyamoto |
| Sound Supervisor | Koji Kondo |
| Graphic Supervisors | Yo Ohnishi & Tsuyoshi Watanabe |
| Network Support | Takumi Masuda |
| Artwork | Naoko Ayabe, Yusuke Nakano, Kazuma Norisada & Hisayo Osanai |
| Coordination | Tomohiro Yamamura, Tomomi Sano & Yuya Sato |
| Co-Producer | Toshiharu Izuno |
| NOA Localization Management | Nate Bihldorff, Reiko Ninomiya, Tim O'Leary & Leslie Swan |
| NOA Localization | Galia Rodriguez Hornedo, Kristin Kirby, Anne-Marie Laperriere, Laurence Millerioux-Tanen, Erik Peterson, Monica Ripoll & Tom Slattery |
| NOE Localization Management | Andy Fey & Martin Weers |
| NOE Coordination | Stefan Kashani-Matin |
| NOE Translation | Ollie Scarborough, Frederic Venet, Georg Schmalhofer, Valentina Casetta, Enrique Sanchez-Rosa, Carsten Harmans, Saskia Doorschodt, Stanislav Bush & Paulo Barata |
| Debug | Mario Club Co., Ltd., NOA Product Testing & NOE Quality Assurance |
| Special Thanks to | Mitsuo Iwamoto, Yuta Ogawa, Takehiro Oyama, Naoki Takami, Ryo Kataoka, Akira Ito, Takeshi Saigo, Jim Holdeman, Kaylee Lewis, Keith Banta, Michael Barry, Laura Soto Toral, Federico Maggi, Petra Gyarmaty, Sebastian Schurg, Stefan Dickhardt & Dmitrij Sobin |
| General Producer | Shinya Takahashi |
| Executive Producer | Satoru Iwata |
