Kallula Harsynta Esterlita (born 26 March 1990) is an Indonesian singer and songwriter. She is known as the vocalist of .
Kallula was once the vocalist of LCDTrip. Afterwards, she met Rizky "Kimo" Ramadhan and formed the electronic music duos Kimokal in 2014 when LCDTrip was practicing at Double Deer Records Studio.
In 2016, disc jockey invited her to collaborate on the song "No One Can Stop Us," which became a hit. In 2019, Kallula released her first solo song "This Love".