Investigator may refer to:

Occupations

Government and law

Detective A detective is an investigator, usually a member of a law enforcement agency. They often collect information to solve crimes by talking to witnesses and informants, collecting physical evidence, or searching records in databases. This leads the ...

, a person who investigates crimes, can be a rank and job in a police department, state or federal employee, or a civilian called a private detective *

Inspector Inspector, also police inspector or inspector of police, is a police rank. The rank or position varies in seniority depending on the organization that uses it. Australia The rank of Inspector is present in all Australian police forces excep ...

, a police rank in many countries

Science and academia

* Clinical investigator, an investigator involved in a clinical trial *

New investigator Certain scholarly funding agencies make a distinction between investigators and new investigators. New investigators would be evaluated in a different way when competing for funding with more seasoned researchers, or they would be able to access ...

, a designation for less experienced researchers * Principal investigator, a researcher in a research project

Other fields

Private investigator A private investigator (often abbreviated to PI; also known as a private detective, an inquiry agent or informally a wikt:private eye, private eye) is a person who can be hired by individuals or groups to undertake investigatory law services. ...

, a person who does not work for the police or government, but who undertakes investigations as a subcontractor * Ghost hunter or other paranormal investigator *

Psychic detective A psychic detective is a person who purports to investigate crimes using paranormal psychic abilities. Claimed techniques and abilities have included postcognition (paranormal perception of the past), psychometry (information psychically gain ...

, a person who investigates crimes by using purported psychic abilities * In

Mormon missionary Missionaries of The Church of Jesus Christ of Latter-day Saints (LDS Church)—often referred to as Mormon missionaries—are volunteer representatives of the church who engage variously in proselytizing, church service, humanitarian aid, and ...

terminology, an investigator refers to someone who is investigating the LDS Church. Generally, a non-member who is taking the missionary discussions.

Media

* ''Investigator'' (magazine), journal of the Geelong Historical Society *''

The Investigator ''The Investigator'' (1954) was a radio play written by Communist Reuben Ship and first broadcast by the Canadian Broadcasting Corporation (CBC) on 30 May of that year. The play lampooned the actions of the U.S. House Committee on Un-American ...

'', a 1954 Canadian radio play * ''The Investigator'' (TV pilot), a 1973 British TV pilot *'' The Investigator: A British Crime Story,'' a British television documentary

Ships

* HMS ''Investigator'', name of ships in the Royal Navy * RV ''Investigator'', Australian research vessel built in 2013

Places

Australia

Investigator Group The Investigator Group is an archipelago in South Australia that consists of Flinders Island and five island groups located off the western coast of the Eyre Peninsula. It is named after by her commander, Matthew Flinders when he explored ...

, archipelago in South Australia *

Investigator Marine Park __NOTOC__ Investigator Marine Park is a marine protected area in the Australian state of South Australia located in the state's coastal waters in its west adjoining the west coast of Eyre Peninsula and islands in the Investigator Group respective ...

, a marine protected area in South Australia *

Investigator Strait Investigator Strait is a body of water in South Australia lying between the Yorke Peninsula, on the Australian mainland, and Kangaroo Island. It was named by Matthew Flinders after his ship, HMS ''Investigator'', on his voyage of 1801–1802. ...

, a strait in South Australia