Look up Cl₂ in Wiktionary, the free dictionary.
CL2 may refer to:
- Chlorine gas, Cl2
- the Clausen function of order 2, Cl2
- the Clifford algebra on ,
- CAS latency 2, a rating of computer memory
- Google Calendar, a time-management web application (from a URL fragment used in early versions)
- Only Built 4 Cuban Linx II, a musical album by American hip-hop artist Raekwon
- Class 2 rated cables, in the National Electrical Code
- LPHN2, a human gene that encodes the Latrophilin-2 protein