Blackland Radio 66.6 (stylized as BLVCKLVND RVDIX 66.6 (1991)) is a mixtape by American rapper SpaceGhostPurrp.

The majority of the mixtape is self-produced, and features guest production and vocals from Lil Ugly Mane, Main Attrakionz, Supa Sortahuman, and J.K. the Reaper.

It features chopped and screwed vocals in some tracks, along with game and movie samples such as Mortal Kombat screams and Godzilla sound effects, which create an experimental ambience throughout the mixtape.

Brandon Soderberg of Pitchfork gave the mixtape a 7.1 out of 10 rating, stating, "Blvcklvnd Rvdix 66.6 (1991) is a mess of Three 6 Mafia-chanting, woozy Wu-Tang loops, DJ Screw wheeze, and Mortal Kombat and Godzilla sound effects, all paired with an off-the-dome rapping style that's equal parts Lil Wayne and Lil B.

[citation needed] The Miami New Times recognized Blackland Radio 66.6 in its Miami's Ten Best Local Albums, EPs, and Mixtapes of 2011 article,[3] with an in-depth review stating, "The Carol City boy takes his raw rap style to the next dimension with touches of horrorcore, dabbling songs with a feminine screech and a Vincent Price-like laugh.