WCHA could refer to:
Ice hockey Western Collegiate Hockey Association, an NCAA Division I ice hockey-only college athletic conference, commonly known as the WCHA. WCHA Final Five, playoff championship of the Western Collegiate Hockey Association.
Radio WCHA (AM), a radio station broadcasting at 800 kHz on the AM band, licensed to Chambersburg, Pennsylvania.
Computer programming wchar.h, computer programming term for a header file. Wchar t, also known as wide character, a type of computer character datatype.
Other West Coast Health Alliance, public health coalition coordinating guidelines separate from the CDC