Hot Mess is the third studio album by the American musical ensemble Cobra Starship, released through Fueled by Ramen and Decaydance Records on August 11, 2009. The album is the follow-up to 2007's ¡Viva la Cobra!. It debuted at No. 4 on the Billboard 200 albums chart on sales of more than 42,000, by far their best chart performance ever.

Cobra Starship was an American dance-rock band from New York City, New York, formed in 2005 by Gabe Saporta. He recorded the first album as a solo project, While the City Sleeps, We Rule the Streets. Saporta later enlisted guitarist Ryland Blackinton, bassist Alex Suarez, drummer Nate Novarro, and keytarist Victoria Asher, all of whom provide backing vocals.