Aerosmith is an American rock band formed in Boston in 1970. The group consists of lead vocalist Steven Tyler, bassist Tom Hamilton, drummer Joey Kramer, and guitarists Joe Perry and Brad Whitford. Their style, which is rooted in blues-based hard rock, has also incorporated elements of pop rock, heavy metal, glam metal, and rhythm and blues, and has inspired many subsequent rock artists. Aerosmith is sometimes referred to as "the Bad Boys from Boston" and "America's Greatest Rock and Roll Band". The primary songwriting team of Tyler and Perry is sometimes referred to as the "Toxic Twins".

Aerosmith is the best-selling American hard rock band of all time, having sold more than 150 million records worldwide, including over 85 million records in the United States. With 25 gold, 18 platinum, and 12 multi-platinum albums, they hold the record for the most total certifications by an American group and are tied for the most multi-platinum albums by an American group. They have achieved twenty-one Top 40 hits on the US Hot 100, nine number-one Mainstream Rock hits, four Grammy Awards, six American Music Awards, and ten MTV Video Music Awards. They were inducted into the Rock and Roll Hall of Fame in 2001, and were ranked number 57 and 30, respectively, on Rolling Stone's and VH1's lists of the 100 Greatest Artists of All Time. In 2013, Tyler and Perry were inducted into the Songwriters Hall of Fame, and in 2020, the band received the MusiCares Person of the Year award.