is the sixth studio album and the fourth Korean studio album by Girls' Generation. It was released for digital download on January 1, 2013 by S.M. Entertainment, and was made available for physical sales the following day by KT Music. Musically, the album is characterized as combining elements from a wide range of genres including R&B, new wave, and EDM.

I Got a Boy received generally positive reviews from music critics, who praised its eclectic musical styles. It was a commercial success domestically, peaking atop the South Korean Gaon Album Chart and became the second best-selling album of 2013 in the country. The album additionally charted at number seven on the Japanese Oricon Albums Chart, number three on the Taiwanese G-Music chart, and number one on the Billboard World Albums.

It subjected to major attention from Western media outlets following its winning Video of the Year at the inaugural YouTube Music Awards.