真大 or 眞大, meaning "true, great", may refer to:
Mao, Japanese given name Mao Hosoya (細谷 真大, born 2001), a Japanese footballer Masahiro, Japanese masculine given name Shinta, Japanese masculine given name Shinta Appelkamp (アペルカンプ 真大, born 2000), a German footballer Zhenda, an abbreviated name of Aletheia University in Taiwan
See also
Mao (disambiguation) Zhenda, a village in Bulgaria