|Birthdate||May 10, 1990|
|Current Age||32 Years Old|
|Social Networks||Ameblo / Instagram / SHOWROOM / Twitter|
|Idol Career Info|
|Former Team||Team A|
|Debuted||December 2006 / 3rd Generation|
- 1 Catchphrase
- 2 Trivia
- 3 AKB48 Senbatsu Elections
- 4 AKB48 Janken Tournaments
- 5 Team History
- 6 Singles Participation
- 7 Albums Participation
- 8 Units
- 8.1 Stage Units
- 8.2 Concert Units
- 8.2.1 Live DVD wa Derudaroukedo, Yappari Iki ni Kagiruze! AKB48 Natsu Matsuri
- 8.2.2 Nenwasure Kanshasai Shuffle Sumaze, AKB! SKE mo Yoroshiku ne
- 8.2.3 AKB104 Senbatsu Members Sokaku Matsuri
- 8.2.4 Yokohama Arena 2010 'AKB48 Manseki Matsuri Kibou Sanpi Ryouron'
- 8.2.5 AKB48 Kouhaku Utagassen 2011
- 8.2.6 AKB48 Kouhaku Utagassen 2012
- 8.2.7 AKB48 2013 Manatsu no Dome Tour ~Mada mada, Yaranakya Ikenai koto ga aru~
- 8.2.8 AKB48 8th Anniversary
- 8.2.9 AKB48 Kouhaku Utagassen 2013
- 8.2.10 AKB48 Request Hour Setlist Best 200 2014
- 8.2.11 AKB48 Zenkoku Tour 2014
- 9 DVDs
- 10 Media Appearances
- 11 Gallery
- 艶女（つやおんな）と書いて、アデージョ。 アデージョと呼ぶのは、あなた？ あなた？ それともあなた？ はーちゃんこと片山陽加です
- Tsuyaonna to kaite, ADEEJO. ADEEJO to yobu no wa anata? Anata? Soretomo anata? Haachan koto Katayama Haruka desu
- (Written as "charming woman", read "adeejo". Who's gonna call me adeejo, you? You? Or you? I'm Katayama Haruka also known as Haachan. )
- Audition Song: Omoikiri American (ANRI)
- Hobbies: Doing nail art, listening to music, making ribbons, and decorating.
- Special Skills: Being able to harmonize in any song, kendama tricks, and doing the moonwalk.
- Favorite colors: Yellow, orange
- Favorite fruits: Watermelon and melon ("because you can eat them when you're thirsty")
- Favorite food: Rice, fruit & miso cabbage
- Least favorite food: Broad bean, green peas
- Favorite drink: Hot chocolate, and her mother's special lemon water
- Favorite ice cream: Strawberry flavoured soft icecream sold at the AKB48 Theater
- Favorite phrases: "To lose yourself in something", "love & peace"
- Favorite sport: Table tennis
- Favorite artist: HY
- Favorite clothing brand: Dazzlin
- Favorite magazine: ViVi
- Favorite season: Spring
- Favorite sport: Table tennis
- Favorite TV show: Shabekuri 007
- Favorite AKB48 single: Seifuku ga Jama wo Suru
- Favorite AKB48 stage song: Junjou Shugi
- Favorite AKB48 outfit: Tenshi no Shippo
- Special talent: Being able to harmonise in any song
- She is former member of MINT, the winner unit of the AmebaPigg Unit Battle.
- She is the former leader of the Art Club.
- She is best friends with Kashiwagi Yuki.
- Her oshimen is Ota Aika.
- She takes sweets and her joke book everywhere with her.
- If she thinks of something that she might be able to say in an MC, she writes it down in her book.
- She carries sweets with her because she becomes anxious without them.
- As a child, she wanted to become the owner of a biscuit shop.
- She was in a school choir in junior high school.
- On January 10, 2011, she attended “Coming of Age Day” with Miyazawa Sae, Sato Natsuki, Sato Amina, Nakata Chisato, Matsubara Natsumi and Matsui Sakiko.
- Jokingly refers to herself as a "Showa Idol" because of her old fashioned sense of humor and speech. She also said that she likes music from the Showa era.
AKB48 Senbatsu Elections
- 1st Senbatsu Election - #29 (Undergirls)
- 2nd Senbatsu Election - #37 (Undergirls)
- 3rd Senbatsu Election - Not Ranked
- 4th Senbatsu Election - #48 (Next Girls)
- 5th Senbatsu Election - #34 (Next Girls)
- 6th Senbatsu Election - Didn't Participate
AKB48 Janken Tournaments
- 1st Janken Taikai - Round 2 (Lost to Ishida Haruka)
- 2nd Janken Taikai - Round 2 (Lost to Iriyama Anna)
- 3rd Janken Taikai - Round 2 (Lost to Matsubara Natsumi)
- 4th Janken Taikai - Round 1 (Lost to Matsumoto Rina)
- Team B → Team A → Team B → Team A → Graduation
- Joined AKB48 as a Team B member on December, 2006
- Transferred to Team A on August 23, 2009 (2009 Team Shuffle)
- Transferred to Team B on August 24, 2012 (Tokyo Dome Team Shuffle)
- Transferred to Team A on February 24, 2014 (AKB48 Group Daisokaku Matsuri)
- Graduated from AKB48 Team A on September 29, 2014 (Announcement: April 14, 2014)
- Anata ga Ite Kureta kara (SET LIST ~Greatest Songs~ Kanzen ban)
- Kimi to Niji to Taiyou to (Kamikyokutachi)
- Overtake (Koko ni Ita koto)
- Iikagen no Susume (Koko ni Ita koto)
- Koko ni Ita koto (Koko ni Ita koto)
- Hate (1830m)
- Aozora yo Sabishikunai ka? (1830m)
- Kanashiki Kinkyori Renai (Tsugi no Ashiato)
- Fukuoka Dome
- Osaka Dome
- Tokyo Dome
- [2016.02.19] Aruhi (ある日)
- AKB48 Kagekidan 「∞・Infinity」 (2009)
- Chikyu Bouei Girls P9 (2012)
- Majisuka Gakuen (マジスカ学園) (2010)
- Sakura Kara no Tegami (桜からの手紙) (2011)
- Majisuka Gakuen 2 (マジスカ学園2) (2011)
- Shukan AKB
- Saturday Night Child Machine
- AKB48 no Anta, Dare?
- AKB48 Nemousu Terebi (Season 4/5/6)
Katayama Haruka after her graduation
Katayama Haruka (2014)
Katayama Haruka (2013)
Katayama Haruka (2012)
Katayama Haruka (2011)
Katayama Haruka (Late 2010)
Katayama Haruka (Early 2010)
Katayama Haruka (2009)
Katayama Haruka (Late 2008)
Katayama Haruka (Early 2008)
Katayama Haruka (2007)
Katayama Haruka (2006)