Telecommunications in Cambodia include telephone, radio, television, and Internet services, which are regulated by the Ministry of Posts and Telecommunications. Transport and posts were restored throughout most of the country in the early 1980s during the People's Republic of Kampuchea regime after being disrupted under Democratic Kampuchea (Khmer Rouge).

In January 1987, the Soviet-aided Intersputnik space communications station began operation in Phnom Penh and established two-way telecommunication links between the Cambodian capital and the cities of Moscow, Hanoi, Vientiane and Paris. The completion of the earth satellite station restored the telephone and telex links among Phnom Penh, Hanoi, and other countries for the first time since 1975. Although telecommunications services were initially limited to the government, these advances in communications helped break down the country's isolation, both internally and internationally.

Today, with the availability of mobile phones, communications are open to all, though the country's Prime Minister Hun Sen decreed that 3G mobile phones would not be allowed to support video calling.