ATSC can refer to:
- ATSC Standards, the format of HDTV in the United States and other countries.
- Advanced Television Systems Committee, the committee that wrote the ATSC Standards. The Advanced Television Systems Committee (ATSC is the group established in 1982 that developed the eponymous ATSC Standards for Digital television in the
- Army Training Support Center, a United States Army facility at Fort Eustis. Fort Eustis is a United States Army military installation located in Newport News Virginia.
- Air Travellers Security Charge, a fee placed flights using Canadian airports.
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