Heo Chanmi (허찬미; also known simply as Chanmi) is a South Korean singer currently under Mostable Music.


From 2004 until 2009, Chanmi was a trainee under SM Entertainment to become a member of Girls' Generation.

In 2010 she than debut in the mix-group Co-Ed School under Core Contents Media (now as MBK Entertainment), which later split into F-ve Dolls and Speed. In Febuary 2012 she left the group.

Chanmi later took part in Mnet's survival show Produce 101 in 2016.