CKSO may refer to:CJRQ-FM, a radio station licensed to Sudbury, Ontario, Canada, which held the call sign CKSO from 1935 to 1990 CIGM, a radio station licensed to Sudbury, Ontario, Canada, which held the call sign CKSO-FM from 1965 to 1977 CICI-TV, a television station licensed to Sudbury, Ontario, Canada, which held the call sign CKSO-TV from 1953 to 1980 CKSO-FM, a defunct radio station licensed to Sudbury, Ontario, Canada