CP6 or CP-6 may refer to:
CP6 (classification), a disability sport classification specific to cerebral palsy CP6 (satellite), a satellite operated by California Polytechnic State University Honeywell CP-6, a discontinued computer operating system CP6, a Network Rail Control Period (2019–2024) of railway infrastructure in Great Britain CP6, an EEG electrode site in the 10-20 system
See also .срб, a top-level domain for Serbia