"This I Promise You" is a ballad by American boy band NSYNC. It was released in September 2000 as the third and final single in the United States and the fourth and final single in Europe from their second studio album, No Strings Attached, in 2000. The song is included on all three of the band's compilation albums: Greatest Hits (2005), The Collection (2010), and The Essential *NSYNC (2014). The single reached number five on the US Billboard Hot 100.
A Spanish language version of the song, titled "Yo te Voy a Amar" was recorded at the same time and released in Spanish-speaking countries such as Mexico, Colombia, Venezuela, Peru, Chile, Bolivia, Paraguay, Uruguay, Argentina, Ecuador, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Cuba, Dominican Republic, and Spain.
