"I Do Not Hook Up" is a song performed by American pop singer-songwriter Kelly Clarkson, released as the second single from her fourth studio album, All I Ever Wanted (2009). The song was composed by Greg Wells, Kara DioGuardi and American singer and songwriter Katy Perry. Perry had originally written the song for her own album, but following her removal from the Def Jam label, she gave the song and "Long Shot" to Clarkson for her fourth album. RCA Records serviced the song to mainstream radios in the United States on April 14, 2009. "I Do Not Hook Up" is a dance-rock and power pop song that is structured upon a muscular arrangement with lyrics about empowerment and healthy relationships.

"I Do Not Hook Up" received positive reviews from music critics, with many praising its arrangement and Clarkson's vocals. Some music critics gave different interpretations of the song's message. The song fared well domestically, peaking at number 20 on the Billboard Hot 100 and sold nearly 700,000 downloads. It was also certified gold in Canada and Australia while peaking within the top 20 in both regions. The song failed make an impact in several international markets, peaking within the lower regions of the charts in countries like Austria and Germany. The accompanying music video for "I Do Not Hook Up" was released on May 1, 2009 in the United States. It portrays Clarkson in a bar in pursuit of man by attempting to draw attention to herself.

"I Do Not Hook Up" was written and composed by Katy Perry, Kara DioGuardi, and Greg Wells. The song was originally penned by Perry for a studio album made between Katy Hudson and One of the Boys but it never materialized and she gave this song, and "Long Shot" to Clarkson's label to be used in her fourth studio album All I Ever Wanted (2009). It was produced and programmed by Howard Benson, who with Jamie Muhoberac provided the keyboards featured on the track. Mike Plotnikoff was the engineer behind recording the song, which took place at three different studios in California: Bay7 Studios in Valley Village, Sparky Dark Studio in Calabasas, and Sunset Sound Studios in Hollywood. Graham Hope assisted Plotnikoff at Sunset Sound Studios in recording "I Do Not Hook Up". Instrumentation featured on the song, besides keyboards, includes the drums, bass, and guitars, which were performed by musicians Josh Freese, Paul Bushnell, and Phil X respectively. "I Do Not Hook Up" was released as the second single from All I Ever Wanted (2009). RCA Records serviced the song to contemporary hit radios on the week of April 14, 2009 in the United States.

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