"Titanium" is a song by French DJ and record producer David Guetta, featuring vocals by Australian singer and songwriter Sia. Taken from Guetta's fifth studio album, Nothing but the Beat, the song was written by Sia, David Guetta, Giorgio Tuinfort and Afrojack. Production was also handled by Guetta, Tuinfort and Afrojack. "Titanium" was initially released for digital download on 8 August 2011, as the first of four promotional singles from the album. It was later released as the album's fourth single in December 2011. The song originally featured the vocals of American recording artist Mary J. Blige, whose version of the song leaked online in July 2011.

Pierre David Guetta is a French DJ and record producer. He has sold over 10 million albums and 65 million singles globally, with more than 14 billion streams. In 2011, 2020, 2021 and 2023, Guetta was voted the number one DJ in the DJ Mag Top 100 DJs poll. In 2013, Billboard ranked his song "When Love Takes Over" as the number one dance-pop collaboration of all time.