Erika de Casier e Ramos Lizardo, known professionally as Erika de Casier, is a Portuguese-born Danish singer, songwriter, and record producer. She began her career performing as half of the R&B duo Saint Cava. After the duo disbanded, she independently released her debut studio album, Essentials, in 2019. She signed to British record label 4AD in 2020 and released her second studio album, Sensational, in 2021.