John Doe

American  

noun

1. an anonymous, average man.

2. a fictitious name used in legal proceedings for a male party whose true name is not known.

3. of or for an unknown person; using the name John Doe to stand for an unknown person.

   The judge issued a John Doe warrant so the police could arrest the culprit when they identified him.

4. an unidentified man.

   The police were looking for a John Doe.

---

John Doe British  

noun

1. See Doe

---

John Doe Idioms  

1. Also, John Q. Public ; Joe Blow ; Joe Doakes ; Joe Zilch . An average undistinguished man; also, the average citizen. For example, This television show is just right for a John Doe , or It's up to John Q. Public to go to the polls and vote . Originally used from the 13th century on legal documents as an alias to protect a witness, John Doe acquired the sense of “ordinary person” in the 1800s. The variants date from the 1900s. Also see Joe six-pack .

2. Also, Jane Doe . An unknown individual, as in The police found a John Doe lying on the street last night , or The judge issued a warrant for the arrest of the perpetrators, Jane Doe no. 1 and Jane Doe no. 2 . [Second half of 1900s]

---

Example Sentences

Last week, Rana’s lawyers filed a lawsuit in New York state court using the pseudonym John Doe.

From The Wall Street Journal • May 6, 2026

An alleged altercation in April 2024 involving Ye and a man — identified in court documents as John Doe — is at the core of the complaint.

From Los Angeles Times • Apr. 14, 2026

The railroad tunnel in which John Doe #135 was found had spooky graffiti and a dark mystique, the kind of place kids dared each other to walk through at night.

From Los Angeles Times • Jun. 19, 2025

Jackson filed the case as a John Doe but revealed his identity by indicating he was representing himself.

From Los Angeles Times • May 8, 2025

“Can you do a quick computer check for a John Doe at the adult detention center?” the officer asked.

From "Healer of the Water Monster" by Brian Young