---
title: ou
description: X.500 organizationalUnitName attribute for the name of an organizational unit.
component: pingds
version: 8.1
page_id: pingds:schemaref:at-ou
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-ou.html
---

# ou

X.500 `organizationalUnitName` attribute for the name of an organizational unit.

Example: `Product Development`

|                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| --------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| *OID*                       | 2.5.4.11                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| *Names*                     | organizationalUnitName, ou                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| *Superior type*             | [name](at-name.html)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| *Syntax*                    | [DirectoryString](s-DirectoryString.html)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| *Equality matching rule*    | [caseIgnoreMatch](mr-caseIgnoreMatch.html)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| *Ordering matching rule*    | [caseIgnoreOrderingMatch](mr-caseIgnoreOrderingMatch.html)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| *Single value*              | false: multiple values allowed                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| *User modification allowed* | true                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| *Usage*                     | userApplications                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| *Origin*                    | [RFC 4519](https://datatracker.ietf.org/doc/html/rfc4519)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| *Schema file*               | 00-core.ldif                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| *Used by*                   | [account](oc-account.html), [applicationEntity](oc-applicationEntity.html), [applicationProcess](oc-applicationProcess.html), [dSA](oc-dSA.html), [device](oc-device.html), [document](oc-document.html), [documentSeries](oc-documentSeries.html), [groupOfEntries](oc-groupOfEntries.html), [groupOfMembers](oc-groupOfMembers.html), [groupOfNames](oc-groupOfNames.html), [groupOfURLs](oc-groupOfURLs.html), [groupOfUniqueNames](oc-groupOfUniqueNames.html), [inetOrgPerson](oc-inetOrgPerson.html), [organizationalPerson](oc-organizationalPerson.html), [organizationalRole](oc-organizationalRole.html), [organizationalUnit](oc-organizationalUnit.html), [pilotDSA](oc-pilotDSA.html), [pilotOrganization](oc-pilotOrganization.html), [sunservice](oc-sunservice.html), [sunservicecomponent](oc-sunservicecomponent.html), [untypedObject](oc-untypedObject.html) |