aespa (Hangul: 에스파; Katakana: エスパ; also stylized as æspa) are a South Korean girl group formed by SM Entertainment, consisting of members KARINA (카리나), WINTER (윈터), GISELLE (지젤), and NINGNING (닝닝).

They debuted on November 17th, 2020 with the single “Black Mamba”, which set a record as the most watched debut music video in it’s first 24 hours, and fastest debut music video by a K-pop group to surpass 100 million views on YouTube (51 days).