Rena Kubota (??? ??, kubota rena, Japanese pronunciation: [k?bota ?ena]), better known by her ring name Rena (???, styled in capitals with Latin characters) or Reina (pronounced as "?e?na"), is a professional Japanese shoot wrestler and kickboxer.
She competes mainly in shoot boxing, where she has won the 2009, 2010, 2012 and 2014 Shoot Boxing Girls S-Cup tournaments.