Kohara Haruka (小原春香) is a Japanese Idol singer. She was part of AKB48's 'Team B'. When the new AKB48 line-up was announced in August 2009, she was supposed to transfer to Team K. However on September 22, 2009 she transferred to SDN48 instead. She graduated from SDN48 on March 31, 2012 with the rest of the group members.
- Birth Name: Kohara Haruka (小原春香)
- Nickname: Haruchan (春ちゃん)
- Date of Birth: April 12, 1988
- Place of Birth: Kannabe, Hiroshima, Japan
- Blood Type: B
- Height: 159cm
- Bands / Groups:
- SDN48 Single Participation
- Ai, Juseyo
- MIN MIN MIN
- Kudokinagara Azabu Juuban (duet with Mino Monta)
- Makeoshimi Congratulation
- Stage Units
- Former AKB48 SEED member, Haruka was promoted to Team B on January 24th, 2009.
- Originally an Under girl, Haruka became a First Generation member with Tezuka Machiko, Nachu, and Kaida Jyuri on May 10, 2010.