"Lightsaber" is a single recorded by South Korean boy group EXO for their collaboration with Star Wars. It was released in Korean version by S.M. Entertainment on November 11, 2015. The song was announced to be a bonus track for the group's fourth extended play Sing for You. It was released in both Korean and Chinese on December 10, 2015 along with the extended play. The single later was released in Japanese on December 17, 2015.

On November 4, 2015, EXO was announced to be releasing "Lightsaber", a promotional song for the movie Star Wars: The Force Awakens in South Korea, as part of the collaboration project between S.M. Entertainment and Walt Disney. A teaser video for the song was released on November 8, followed by its music video and digital release on November 11. "Lightsaber" was later announced to be included in Sing for You as a bonus track on December 7. The song talks about a guy being the girl's "lifesaver" and her "lightsaber" and brings her out of her darkness.

The music video of "Lightsaber" includes only three members of the group Baekhyun, Kai and Sehun, the members are seen to be in a Star Wars-inspired world where clubs are "Jedi Only" and they carry lightsabers.

EXO performed the song for the first time at the 17th Mnet Asian Music Awards. The group later performed the song on their concerts.

The song peaked at number 9 on Gaon's digital chart, number 84 on Billboard Japan Hot 100, and at number 3 on Billboard World Digital Songs chart.

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