KKBOX is a music streaming service developed by KKBOX Inc., a software company in Taipei from 2004. It is a part of Japanese Telecom Group, KDDI. The service area mainly targeting the music market of Southeast Asia, focusing on regions including: Taiwan, Hong Kong, Malaysia, Singapore, etc. Working on a freemium basis, both "pay-per-month" buyers or free service listeners can listen to over 20-million tunes (kkbox) on smartphones, TVs, media centers and computers.

As a Taiwan-based music streaming software, KKBOX caters mainly to Mandarin-speaking users by collaborating with record companies in the Taiwanese music industry. Major companies like Gold Typhoon, East Asia Music are some of their partners. KKBOX also has close links with Taiwanese artists, and mainstream Mandopop artists like Jay Chou and Mayday.