Black Diamond (s) or The Black Diamond may refer to:
- Black Diamond (bus brand), a brand name used by Diamond Bus in the United Kingdom
- Black Diamond (custom car), winner of the 1978 Ridler Award
- Black Diamond (train), Reading RR-Lehigh Valley RR passenger train
- Black Diamond Cheese, a Canadian cheese manufacturing company
- Black Diamond Coal Mining Company, a coal mining company that operated in California, Oregon, and Washington
- Black Diamond Railroad, a planned railroad in Ohio
- Black Diamond Coal Mining Railroad, an abandoned railroad in California
- Black Diamond Equipment, a manufacturer of climbing and outdoor gear
- Black Diamond, a brand name used for various electrical products of the Mitsubishi Corporation
- Black Diamond, the barge whose collision with the steamer ship Massachusetts drowned at least 50 persons, including 4 pursuers of Abraham Lincoln's assassin
- Black Diamond switches, a switch series by Extreme Networks
Albums
- Black Diamond (Angie Stone album), 1999
- Black Diamond (Buraka Som Sistema album), 2008
- Black Diamond (The Rippingtons album), 1997
- Black Diamond (Stan Ridgway album), 1995
- Black Diamond: The Anthology or the title song (see below), by Stratovarius, 2006
- Black Diamond, by The Groundhogs, 1976
- Black Diamond, by Janet Jackson, upcoming 2020
- Black Diamonds (EP) or the title song, by Issues, 2012
Songs
- "Black Diamond" (Bee Gees song), 1969
- "Black Diamond" (Kiss song), 1974
- "Black Diamond", by Double, 2008
- "Black Diamond", by Roy Brown, 1954
- "Black Diamond", by Stratovarius from Visions, 1997
- "Black Diamonds", by Therion, part of the "Draconian Trilogy" from Vovin, 1998
- Black Diamond (library), nickname of the modern extension of the Royal Danish Library, because of its appearance
- Black Diamond, Arizona, United States
- Black Diamond, Alberta, Canada
- Black Diamond, former name of Pittsburg, California, United States
- Black Diamond, Florida, United States
- Black Diamond, Washington, United States
- Black Diamond Mines Regional Preserve in California, United States, preserving historic coal mines
People
- Austin Idol, professional wrestler, known as "Black Diamond" and other ring names
- Clinton Morrison (born 1979), Irish/English footballer, known as "Black Diamond"
- Leônidas da Silva, Brazilian footballer, known as "Black Diamond"