Altice USA (formerly Cablevision) is an American cable television operator with systems in the states of Connecticut, New York, New Jersey, Pennsylvania.

Cablevision may also refer to:

• Cablevisión (Argentina), an Argentine cable television operator, owned by Clarín group
• Cablevision (Canada), a Canadian cable television operator in the province of Quebec and parts of Ontario
• CableVision (Green Bay, Wisconsin), a cable television operator that operated out of Green Bay, Wisconsin, United States from the 1980s to the mid-1990s.
• Cablevision (Lebanon), a Lebanese cable television operator serving the country
• Cablevision Industries, an American cable television operator unrelated to New York based Cablevision Systems; acquired in 1995 by Time Warner Cable
• Greenwich Cablevision, London community television station, active in the 1970s
• Heritage Cablevision, Des Moines, Iowa cable television provider, active 1971–1987
• Izzi Telecom, a Mexican cable television operator owned by Grupo Televisa, called Cablevisión until November 2014
• Medford Community Cablevision, Inc., Medford, Massachusetts public-access television station
• Mountain Cablevision, cable television provider in Hamilton, Ontario
• Omineca Cablevision, cable television and internet service provider in Omineca Country, British Columbia
• Sheffield Cablevision, Sheffield, England cable television community channel, active 1973–1976
• Troy Cablevision, Alabama cable television, cable internet, security systems, and VOIP provider
• UA-Columbia Cablevision, an American cable television provider, active from the 1970s to 1991
• Wellingborough Cablevision, Northamptonshire, England cable television broadcaster, active 1974–1975