Ji Hye-ran (지혜란), better known by her stage name Z.Hera (Ji Hera/지헤라), is a South Korean actress and singer. Z.Hera appeared on the documentary program Human Theater in 2006 as Shaolin Girl when she was 11 years old. 

She received attention after being the first South Korean singer to appear on the American social site BuzzFeed. She is known for her roles in Moorim School (2016) and Moon Lovers: Scarlet Heart Ryeo (2016).

Z.Hera learned Shaolin Kung Fu at the Shaolin Temple since she was in Elementary school. She speaks four languages: Korean, English, Mandarin and basic Japanese. She trained for 5 years to master her dance abilities with the help of Nam Hyun-joon.

Since 2016 she has been focusing on acting mainly. Here social media accounts haven’t been updated in years, except for Instagram, where she posts regularly.