Halloween 81 is a live box set by Frank Zappa released posthumously on October 2, 2020.

It is a compilation of live material in six CDs.

Recorded between October 29 and November 1, 1981, it is the third album released in the Halloween box set series of live concerts that Frank Zappa performed yearly for Halloween.

[citation needed] It was also broadcast over the then-recently launched channel MTV.

Material from these shows was used in later projects, such as The Dub Room Special and The Torture Never Stops.