Wica or WICA may refer to:

Wicca, a contemporary pagan and new religious movement Seax-Wica, a tradition, or denomination, of the neopagan religion of Wicca Witches International Craft Association, established by Leo Martello in 1970 Witchcraft Information Centre & Archive, established by Dr Leo Ruickbie in 1999 WICA (FM), a radio station (91.5 FM) licensed to serve Traverse City, Michigan, United States WICA-TV, a defunct television station (channel 15) formerly licensed to serve Ashtabula, Ohio, United States, which existed from 1953 to 1956, and again from 1965 to 1967 West Indian Court of Appeal When I Come Around, 1995 single by Green Day WICA, ICAO code for Kertajati International Airport