"Abracadabra" (Hangul: 아브라카다브라) is a song by Korean girl group Brown Eyed Girls. Released as the second single from Sound-G in 2009, it marked a change in the group's image and style. The song topped various on- and offline charts, including a 3-week chart-topping run on music portal M.Net.

The song is written by Hitchhiker (aka jinu) Kim Eana (김이나) and composed by a hit-songwriter Lee Min-su (이민수)

Due to the various girl groups that debuted and succeeded in 2009, the Brown Eyed Girls felt that having a cute and innocent concept would work against them; as such, they came back as "sexy bad girls".

The group returned to the various network music shows at the end of July, continuing the mature concept.

The song was originally titled "Voodoo." The lyric is about a blind love, and especially the phrase, 'a doll resembling you' implies a ritual popularly associated with the religion. However, as the title mentioning the specific religion was caught up by the censorship, it was replaced with the current title meaning a conjuration.

The song was released to various digital outlets in July 2009, after which it quickly topped various online charts. The song also won the "Mutizen Song" award on SBS's Inki Gayo music program. The song also won a "Best Dance/Electronic song of the year" in the 2010 Korean Music Awards. By the end of 2009, the song was downloaded 3,095,468 times becoming one of the best-selling singles in that year. In December 2011 it was reported that the song actually is one of the biggest hits in the South Korean music history, with a huge popularity in Asia and 4,986,293 downloads in South Korea alone.

The 4-minute-long music video was directed by Hwang Su-a, who had studied Film at New York University and established a career as a music video and commercial director. The video was praised for its sensational and intense presentation but also garnered controversies regarding its sensual contexts. In a 2009 interview, Hwang said she wanted to express the feelings of the subject in the song going back and forth between reason and emotion in a modern and fashionable choreography since the main theme is a curse and blind love. She divided the video into two settings; performing scenes of the band and narrative drama scenes. The former are in a white background with tone-downed saturation to prevent other narrative stories from conflicting the latter, and to represent an infinite space.

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