Melissa Bonny (born 23 January 1993) is a Swiss heavy metal singer and songwriter. She is the founder and vocalist of the symphonic metal band Ad Infinitum and was the vocalist of the bands Evenmore and Rage of Light.

After graduating from school, Bonny was active in a cover band in the area around her hometown. She left in 2012 to join the symphonic folk metal band Evenmore as a singer. In 2015, she also joined the trance metal band Rage of Light. In 2018, Melissa Bonny ended her activities with Evenmore and formed the symphonic metal band Ad Infinitum. In addition to singing, she also writes lyrics and composes songs for the band. In early April 2021, she announced her departure from Rage of Light via her social media networks.

In mid-July 2021, the founding of the band The Dark Side of the Moon was announced. Alongside Bonny on vocals, the group consists of guitarist Hans Platz, harpist Jenny Diehl (both from Feuerschwanz) and drummer Morten Løwe Sørensen from Amaranthe. A record deal was signed with the Austrian record label Napalm Records. With the power metal band Warkings, she worked under the pseudonym Queen of the Damned on both albums as well as live performances.

Bonny possesses a mezzo-soprano voice. She also masters guttural singing, to which she also switches within songs. She lived in Madrid for some time, learning Spanish at a language school. Since the end of 2020, Bonny has been living in Denmark with her boyfriend Morten Løwe Sørensen, the drummer of the band Amaranthe.