"Havana" is a song recorded by Cuban-American singer Camila Cabello featuring guest vocals from American rapper Young Thug. It was released on August 3, 2017, along with "OMG", from her solo debut album, Camila. In August 2017, it was released as a promotional single, then was serviced to radio on September 8, 2017, as a single. Due to its rising success, "Havana" later became the official lead single off Camila, replacing "Crying in the Club".In November 2017, a remix version of the song with Puerto Rican rapper Daddy Yankee was uploaded to Cabello's YouTube page. The first verse of the remix is sung in Spanish while Daddy Yankee replaces Young Thug's verse.

"Havana" reached number one in multiple countries including Australia, Brazil, Canada, France, Mexico, the United Kingdom, and the U.S., also reaching the top 10 of several other countries. Its music video, directed by Dave Meyers, shows Cabello playing herself as Karla, as well as a telenovela actress and a film protagonist. It won the Video of the Year award at the 2018 MTV Video Music Awards, receiving three other nominations. A vertical video, directed by Sam Lecca, was released on November 10, 2017, on her official Vevo account. The clip shows the singer and several dancers in the New York City Subway. The clip was previously a Spotify exclusive.

Cabello performed "Havana" at several award shows, including the 2017 MTV Europe Music Awards, 2018 iHeartRadio Music Awards, and 2018 Billboard Music Awards. In September 2018, Cabello released a live version of the song featuring her solo performance. The live version of the song would later be nominated for a Grammy Award for Best Pop Solo Performance at the 61st Annual Grammy Awards. It was the best-selling digital single of 2018 according to the International Federation of the Phonographic Industry, with equivalent sales of 19 million units worldwide.