| FUNCINPEC | National United Front for an Independent, Neutral, Peaceful, and Cooperative Cambodia
 | 1984–2016 |  |  |  | 
      
      
        | KPK | Cambodian People's Party
 | 1992–2016 |  |  |  | 
      
      
        | PSR | Social Republican Party
 | 1969–1974 |  |  |  | 
      
      
        | SANGKUM | People's Socialist Community
 | 1966–1968 |  |  |  | 
      
      
        | BLDP | NOT IN PARTYFACTS Buddhist Liberal Democratic Party
 | 1993–1998 |  |  |  | 
      
      
        | CPK | NOT IN PARTYFACTS Communist Party of Kampuchea
 | 1975–1983 |  |  |  | 
      
      
        | DK | NOT IN PARTYFACTS Democratic Kampuchea
 | 1984–1992 |  |  |  | 
      
      
        | KPNLF | NOT IN PARTYFACTS Khmer People's National Liberation Front
 | 1984–1996 |  |  |  |