Mamonas Assassinas is the only studio album released by the Brazilian rock band of same name. It was released in 1995, and in only eight months (until the end of the band), it sold more than 2 million copies.^[1]

Rick Bonadio — nicknamed by the band "Creuzebek" — was chosen to produce the band's debut album. However, their record label EMI wanted at least ten tracks and the band hand only three in hands. In a week the bandmates wrote other 12 tracks that made the cut, but "Não Peide Aqui Baby", a parody of The Beatles's "Twist and Shout", was shelved due to the amount of profanity in the lyrics. The recording took place in São Paulo, on Bonadio's studio, and was mixed at The Enterprise in Los Angeles, United States.

The band created the concept of the cover, a drawing by Carlos Sá in which the musicians appear in front of a naked woman exposing large breasts (evoking the pun in the band's name, "mamona" as in "mama", breast in Portuguese), inspired by the Playboy issue featuring Brazilian model Mari Alexandre.^[2] EMI later demanded that the band be featured on the cover as well.^[3]

The album is the 9th best-selling album of all time in Brazil amongst national artists, and the third best-selling album of the 1990s. The album broke several records previously unseen before in the country, and it remains to this day as the best-selling debut album ever in Brazil, as well as the fastest-selling album in a single day in the country, seeling 25,000 copies in just 12 hours.^[4] At one point, it sold 50,000 copies per day, 100,000 copies every two days, which granted a Gold certification at the time, and it went on to sell more than 350,000 copies in a week. In less than 100 days the album had sold 1 million copies, doubling that number by December 1995. With 2 million copies sold in just six months, it became the fastest selling album of all time in Brazil. The band dominated Brazilian radio stations and received overall acclaim, making them legends in history of Brazilian music.

• Dinho – vocals, acoustic guitar in "Uma Arlinda Mulher"
• Bento Hinoto – electric and acoustic guitar, backing vocals
• Samuel Reoli – bass guitar, backing vocals
• Júlio Rasec – keyboards, backing vocals, co-lead vocal in "Vira Vira" and "Uma Arlinda Mulher"
• Sérgio Reoli – drums
• Paquito – trumpet in "Pelados em Santos"
• César do Acordeom – accordion in "Jumento Celestino"
• Fabinho – percussion in "Lá Vem o Alemão"
• Leandro Lehart – cavaquinho in "Lá Vem o Alemão"
• Rick Bonadio – Additional keyboards, triangle in "Jumento Celestino", wah-wah pedal

• List of best-selling albums in Brazil
• List of best-selling Latin albums