"I Think I" is a single by South Korean boy band Super Junior released on October 4, 2019, by SM Entertainment and Label SJ.

"I Think I" features the vocals of nine active Super Junior members — Leeteuk, Heechul, Yesung, Donghae, Shindong, Eunhyuk, Siwon, Ryeowook, and Kyuhyun.

[4] Sungmin continues his indefinite hiatus and voluntarily did not join band activities after last appearing for them for Mamacita album back in 2014.

[7] The song was digitally released alongside its music video on October 4, albeit five hours behind schedule due to an alleged production issue.

[10] "I Think I" is classified as a fusion between Latin pop music with jazz strings and horns, and R&B, the former was a nod to their debut extended play.