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Syndrome reference sheet
Generated 12 Oct 2026
Psychiatry · Psychiatry / Delusional misidentification syndromes

Fregoli syndrome

Also known as: Fregoli delusion

Delusion that different people are a single persecutor in disguise.

Medical specialty
Psychiatry
Subspecialty
Psychiatry / Delusional misidentification syndromes
Sex & age distribution
Male: affected; Female: affected; Children: rare
Gene(s) involved
None recorded

Etiology & mechanism

Overfamiliarity of faces with right frontal and temporoparietal dysfunction.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (4)

belief of a persecutor in disguisedelusional misidentificationhallucinationsparanoia
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