| AACP | Arab American Congress for Palestine |
| AALAPSO | African-Asian-Latin American People’s Solidarity Organization |
| AFSC | American Friends Service Committee |
| BPP | Black Panther Party |
| CA | Covert Action |
| CDG | Civil Disturbance Group |
| CFI | Committee on Foreign Intelligence |
| CI | Counterintelligence |
| CIFF | Counterintelligence Futures Forum |
| COMINT | Communications Intelligence |
| COSVN | Central Office of South Vietnam |
| CPSU | Communist Party of the Soviet Union |
| CPUSA | Communist Party of the United States |
| CRV | Committee of Returned Volunteers |
| CUIS | Cuban Intelligence Service |
| DEI | Algerian Directorate General of Studies |
| DIA | Defense Intelligence Agency |
| DCI | Director of Central Intelligence |
| DDO | Deputy Director for Operations |
| DDP | Deputy Director for Plans |
| DEA | Drug Enforcement Agency |
| DGI | Cuban Intelligence Service |
| DO | Directorate of Operations |
| DRV | Democratic Republic of Vietnam |
| FBIS | Foreign Broadcast Information Service |
| FCD | First Chief Directorate (KGB) |
| FE | Far East |
| FI | Foreign Intelligence |
| FLN | National Liberation Front |
| GID | General Intelligence Division |
| GRU | Chief Intelligence Directorate, Soviet/Russian Military Intelligence |
| HPSCI | House Permanent Select Committee on Intelligence |
| IDIU | Interdivision Information Unit |
| IEC | Intelligence Evaluation Committee |
| IES | Intelligence Evaluation Staff |
| ILC | International Liaison Committee |
| KGB | Soviet Committee for State Security (March 1954–November 1991) |
| ME | Middle East |
| MPS | Ministry of Public Security |
| NACIC | National Counterintelligence Center |
| NATO | North Atlantic Treaty Organization |
| NMC | New Mobilization Committee to End the War in Vietnam |
| NSA | National Security Agency |
| NSC | National Security Council |
| OAS | Organization of Arab Students |
| OCI | Office of Current Intelligence |
| OCLAE | Latin American Students Continental Organization |
| OCS | Office of Computer Services |
| OS | Office of Security |
| PAF | Palestine Arab Fund |
| PFIAB | President’s Foreign Intelligence Advisory Board |
| PFLP | Popular Front for the Liberation of Palestine |
| PDD | Presidential Decision Directive |
| PDFLP | Popular Democratic Front for the Liberation of Palestine |
| PLO | Palestine Liberation Office |
| PLP | Progressive Labor Party |
| PMS | Personnel Management Staff |
| PRG | Provisional Revolutionary Government of Vietnam |
| PTP | Professional Training Program |
| RCP | Revolutionary Communist Party |
| RID | Records Integration Division |
| RU | Revolutionary Union |
| RYM | Revolutionary Youth Movement |
| SDS | Students for a Democratic Society |
| S/E | Soviet/East European |
| SIGINT | Signals Intelligence |
| SNCC | Student Non-Violent Coordinating Committee |
| SOG | Special Operations Group |
| SSCI | Senate Select Committee on Intelligence |
| SVR | Foreign Intelligence Service |
| SWP | Socialist Workers Party |
| TO | Table of Organization |
| WCP | World Council for Peace |
| WSP | Women Strike for Peace |
| YPSL | Young People’s Socialist League |
| YSA | Young Socialist Alliance |