1970 in Cambodia

The following lists events that happened during 1970 in Cambodia.

The year saw the overthrow of the Kingdom of Cambodia and its monarchy in a coup backed by the United States in March that established the Khmer Republic.

Incumbents

 * Monarch: Norodom Sihanouk (until 18 March), Cheng Heng (starting 21 March)
 * Prime Minister: Lon Nol

Births
Kem Ley, Political Activist (Died 2016)

March

 * March 18 - King Norodom Sihanouk is overthrowned in a coup.

October

 * October 9 - The Khmer Republic was formally declared as the government of Cambodia.