Black Star II (Indonesian band), an alternative indie rock band from Indonesia

Black hole, any region of space time where escape to the outside universe is impossible

Ghana national football team, whose nickname is "The Black Stars"

Saturn, is referred to as "Black Star" in ancient Judaeic beliefs

Black Star, the initial name of Bahraini thrash metal band Motör Militia

"Black Star" (song), a song from Radiohead's album The Bends

BlackStar, a 1981 fantasy/sci-fi cartoon by Filmation

Blackstar (spaceplane), a rumoured United States Air Force spaceplane

Black Star (album), an album by the above group

Dark star, a theoretical star that has a surface escape velocity that equals or exceeds the speed of light

Black Star Line, a shipping line created by Marcus Garvey to repatriate African-Americans to Africa

Black Star (hip hop group), a hip hop group formed by rappers Mos Def and Talib Kweli

Black dwarf, a type of degenerate dwarf star, specifically, a cold white dwarf.

Strange Attractor/Black Star, an album by dark ambient giant Brian "Lustmord" Williams

Black Star (Babylon 5), a ship in the Babylon 5 science fiction universe

Black Star (terrorist group), a Greek terrorist group also known as Mavro Asteri

Blackstar (band), a heavy metal band formed by former members of Carcass

"Black Star" (Yngwie Malmsteen song), a song from Yngwie Malmsteen's album Rising Force

Black Star (photo agency), a New York-based photo agency founded in 1935

Black Star (Timati album), an album by Russian rapper Timati

The Chinese Type 54 pistol, also known as the "Black Star pistol"

Black Sex Link, a breed of poultry also known as "Black Star"

Black Star Deceiver, song from Soilworks Natural Born Chaos album.