"If You" (Korean: 있다면; RR: itdamyeon) is the debut single by South Korean boy group special unit NU'EST W, composed of JR, Aron, Baekho and Ren.

It was released as a digital single on July 25, 2017, by Pledis Entertainment and distributed by CJ E&M Music.

The song was released as a digital single on July 25, 2017, through several music portals, including MelOn in South Korea and iTunes globally.

[3] The song sold 126,434 downloads and accumulated 1,823,780 streams in its first week.

[6][7] The song entered at number 29 on the Gaon Digital Chart for the month of July 2017, with 143,135 downloads sold.