Hicom, HiCom or HICOM may refer to:
, a PBX/ISDN telephone system family, including the Hicom 300, by Siemens (Heavy Industries Corporation of Malaysia) aka HICOM Holding Berhad HiCom TRIAC, a high commutation TRIAC HICOM Automotive Manufacturers (Malaysia) DRB-HICOM, a Malaysian company after the merger of DRB and HICOM
See also High Com, an analogue noise reduction system by Telefunken and Nakamichi UNSC High Command (HIGHCOM), a fictional UN Space Command in 'Factions of Halo'