1973 in Cambodia

The following lists events that happened during 1973 in Cambodia.

Incumbents

 * President: Cheng Heng (until March 9), Lon Nol (starting March 9)
 * Prime Minister:
 * until 6 May: Hang Thun Hak
 * 6 May-9 December: In Tam
 * 9 December-26 December: vacant
 * starting 26 December: Long Boret

Events

 * 18 March - Five members of the former Royal family were arrested following an air attack on the Presidential Palace that killed 20 people, the government also declared a state of emergency.
 * 4 April - Cambodian National Assembly declares a state of national danger following continuation of subversive activities against the government.