Gaina may refer to:
*
Gaina (company), a Japanese animation studio
*
Gaina (name), a Romanian surname
*
Kazuya Yuasa (born 1979), professional wrestler also known as Gaina
See also
*
Găina River (disambiguation)
*
Gainas
Gainas (Greek: Γαϊνάς) was a Gothic leader who served the Eastern Roman Empire as ''magister militum'' during the reigns of Theodosius I and Arcadius. He played an important role in the events in the eastern part of the empire by the end ...
, a Gothic leader
{{Disambig, geo