CT2 is a cordless telephony standard, also known by the marketing name "Telepoint".
CT2, CT-2, CT 2 and similar may also refer to:
- ČT2 – a television channel in the Czech Republic
- CT2 (MBTA bus) – a cross-town bus route operated by the MBTA in the Boston, Massachusetts area
- Casino Tycoon 2 – the second film in the Casino Tycoon series
- Connecticut's 2nd congressional district
- Connecticut Route 2 – a state route in Connecticut, USA
- Crazy Taxi 2 – the second game in the Crazy Taxi series