Niina

Niina is a Finnish feminine given name, the Finnish version of Nina; it is also used in Japanese to transliterate the name Nina.
Niina may refer to the following notable people:

Niina Kelo, Finnish pentathlete
Niina Koskela, Finnish chessplayer
Niina Ning Zhang, Chinese linguist
Niina Mäkinen, Finnish ice hockey forward
Niina Malm, Finnish politician
Niina Petrõkina, Estonian figure skater
Niina Sarias, Finnish snowboarder