Seina

Seina may refer to: Seina (kickboxer) (聖愛, born 2001), Japanese professional kickboxer Seina Nakajima (中嶋星奈, born 1997), Japanese curler Seina Saito (齋藤聖奈, born 1992), Japanese rugby union and rugby sevens player Seina Shimabukuro (島袋聖南, born 1987), Japanese model and reality television contestant