"Left & Right" is a song by South Korean boy group Seventeen. It was released as the lead single from their 2020 extended play, Heng:garæ, on June 22, 2020.

The lyrics to "Left & Right" describe youth "going left and right, not knowing what path to take," according to Woozi, who co-wrote the song. He added that it was a message to young people following their dreams. The song was inspired by conversations with his bandmates about their careers and daily lives, but particularly by main vocalist Seungkwan.^[1] The members described it as being different from their other songs, but one that they could immediately imagine performing. It was co-written by Bumzu.^{[citation needed]}

The American singer Cupid posted a series of social media posts on August 13, 2020, alleging that Seventeen had plagiarized his song, "Cupid Shuffle."^[2] He posted a screenshot from Time magazine that described the refrain as being "resonant of the Cupid Shuffle."^[2][3] Cupid also stated that he felt the plagiarism had disrespected his culture and he wanted financial compensation.^[4] Cupid later tweeted that he had contacted Pledis Entertainment, Seventeen's record label, and had not received a reply.

"Left & Right" peaked at number one on the Gaon download chart and eight on the digital chart.^[5] Billboard placed the song at number three on its list of the best K-Pop songs of 2020.^[6]