Ruffneck may refer to:

• DJ Ruffneck, the most common alias of Patrick van Kerckhoven
• Ruffneck (band), a house music group from New Jersey
• Ruffneck (song), a song by MC Lyte
• Ruffneck, by the Freestylers
• Ruffneck (product brand), a brand of industrial heating products
• Dubstep/electro track by Skrillex
• Dubstep track by Genetix (Original Ruffneck)
• Ruffnecks - a screamo/post hardcore band from Southend on Sea, UK.

Roughneck may refer to:

• Roughneck, slang for a labourer
• Rasczak's Roughnecks, a platoon in the novel Starship Troopers and its film adaptation

• Data Sovereignty
• Dataspaces and Hiperspaces
• Data stock
• Data storage capacity
• Data storage device
• Data storage disk
• Data storage media
• Datastorm Technologies, Inc.
• Data Surveillance (Dataveillance)
• Data swamp
• Data Technol Appl
• Data Technol. Appl.
• Data Technologies & Applications
• DataTower
• DataTower (Priam)
• Data trail
• Datatrak
• Data Transfer Controller
• Data transfer controller
• Data Transfer Manager
• Data transfer manager
• Data Transfer Project
• Data Transmission Network
• Datatron
• Data types in Common Lisp