Massive Attack are an English trip hop collective formed in 1988 in Bristol, England by Robert "3D" Del Naja, Grant "Daddy G" Marshall, Adrian "Tricky" Thaws and Andrew "Mushroom" Vowles. The group currently consists of Del Naja and Marshall.

In 1991, they released their debut album, Blue Lines, which has been included on numerous best-of lists and is generally considered the first album of the 'trip-hop' genre. The single "Unfinished Sympathy" was a chart hit in Europe, including number one on the Dutch Top 40, and was later voted the 63rd-greatest song of all time in a poll by NME. In 1994, they released their second album Protection. Thaws left the band later that year to pursue a solo career. In 1998, they released their third album, Mezzanine, giving them their first number one on the UK Albums Chart. Mezzanine also contains the top-10 single "Teardrop", which earned further recognition as the opening theme of the American television series House. In 1999, Vowles left the band, with Del Naja and Marshall continuing as a duo. They further released the albums 100th Window (2003) and Heligoland (2010).

Both Blue Lines and Mezzanine feature in Rolling Stone's list of the 500 Greatest Albums of All Time. The group have collaborated with several recurring guest vocalists, including Horace Andy, Shara Nelson, Tracey Thorn, Elizabeth Fraser, Sinéad O'Connor, Damon Albarn and Hope Sandoval.

Massive Attack's awards include a Brit Award for Best British Dance Act, two MTV Europe Music Awards, and two Q Awards. Their five studio albums have sold over 13 million copies worldwide. Massive Attack are also known for supporting several political, human rights and environmental causes.