| Mai Shiina | |
| Birth Date: | 23 February 1988[1] |
| Birth Place: | Tokyo Prefecture, Japan |
| Martial Art: | Shotokan Karate |
| Teacher: | Masaaki Ueki |
| Rank: | 4th Dan karate (JKA) |
(born February 23, 1988) is a Japanese instructor of Shotokan karate.[1] She is currently an instructor at the Japan Karate Association honbu (headquarters) dojo.[1]
Mai Shiina was born in Tokyo Prefecture, Japan on . She studied at Takushoku University.
Mai Shiina has had considerable success in karate competition.