Yamaguchi Nonoka (山口乃々華) is a Japanese performer, actress and model. She is a member of the group E-girls.
Yamaguchi Nonoka was born on March 8, 1998 in Saitama Prefecture, Japan.
Prior to auditioning to LDH, she started having training classes at EXPG Tokyo in 2009.
In 2010, Yamaguchi won the grand prix award at the 18th Pichi Lemon Audition, and started working as an exclusive model for the magazine Pichi Lemon.
In 2011, she participated of the EXILE Presents VOCAL BATTLE AUDITION 3 ~For Girls~ in the dance section and successfully passed the audition. She was part of the non-debuted group bunny as a performer.
On August 23, she was announced as a member of E-girls as part of bunny.
In July, she made acting debut on the TV drama Ashita no Hikari wo Tsukame -2013 Natsu-.
In December, she graduated from Pichi Lemon, appearing for the last time as an exclusive model of the magazine in the January 2015 issue.
On December 22, with the announcement of E-girls' disbandment set for around the end of 2020, it was revealed that Yamaguchi will focus on acting and modeling activities.
- Main article: List:Yamaguchi Nonoka Discography Featured In
- Music Video Appearances
-  HiGH&LOW THE MOVIE
-  Itazura na Kiss THE MOVIE ~High School-Hen~
-  HiGH&LOW THE MOVIE 2 / END OF SKY
-  HiGH&LOW THE MOVIE 3 / FINAL MISSION
-  Itazura na Kiss THE MOVIE ~Campus-Hen~
-  Itazura na Kiss THE MOVIE ~Propose-Hen~
-  Uta Monogatari CINEMA FIGHTERS project
-  Watashi ga Motete Dousunda
-  Ashita no Hikari wo Tsukame -2013 Natsu-
-  Koibumi Biyori (episode 7)
-  HiGH&LOW Season2
-  Gake Petit Hotel! (last episode)
- Main article: Yamaguchi Nonoka/Gallery
- Started an Instagram account on August 13, 2017.