Rina Aizawa is a Japanese actress signed under Box Corporation. Her debut role is Saki Rōyama/Go-on Yellow in the 2008 TV Asahi's tokusatsu series Engine Sentai Go-onger.

She was scouted first in Harajuku during her 2nd year in high school, which she rejected as she did not have interest in the entertainment industry. After declining the first interview, she regretted and sent her documents to the talent agency again. She was scouted again in Shiba, Funabashi, coincidentally by the same scout while she was shopping with her family. In September 2006, she was called up for interview by the agency which she passed. Her agency accepted her as their talent in April 2007, the year where she enters high school.

Her family consists of herself, her parents, her grandparents, an older brother older than her 5 years and a sister older by 7 years.

Her hobby is music appreciation and she plays volleyball.

She likes shopping and singing. She hates fish yet like to eats them. She also don't quite like beef. She likes anything that is sweet, like strawberries.

Her height is 162cm, her measurements are B78 W58 H80. Her horoscope is Leo.

She is ranked 249th out of 422001 people according to Oricon Style's page.

She is currently selected to be the support manager for the 87th All Japan High School Soccer Tournament. Previous managers were famous idols like Maki Horikita, Aragaki Yui and Kitano Kii, this shows that Rina is slowly climbing up the ladder of popularity.