SBX may refer to:

• Sea-based X-band Radar, a type of a floating, self-propelled, mobile radar station

• Snowboard cross, a snowboard competition

• sbX, a bus rapid transit service in San Bernardino County, California, U.S.

• Super Bowl X

• South Bay Expressway, a toll road in San Diego County, California, U.S.

• SBX, the airport code for Shelby Airport near Shelby, Montana, U.S.

• .sbx, a file format that stores an optional spatial index of the features of a shapefile

• Student book exchange, a book swapping or textbook exchange service provided by various colleges and universities for their students

• SBX, Sandbox - for an IT environment

• SBX, Snowboardcross