Isabelle Rezazadeh (born 28 March 1995), who is known by her stage name Rezz (stylized in all caps), is a Ukrainian–Canadian DJ and record producer from Niagara Falls, Ontario.

Rezz released her debut extended play (EP) Insurrection in 2015 through Owsla's sub-label Nest HQ. In 2016, she signed with record label mau5trap and released her follow-up EPs The Silence is Deafening and Something Wrong Here. Rezz released her debut studio album Mass Manipulation in 2017 and her follow-up album Certain Kind of Magic in 2018. She released her third album Spiral in 2021 through RCA Records. She then founded her own label HypnoVizion Records, through which she released her fourth album Can You See Me? (2024), which focuses on a bass music sound.