| 20 | ASCII format for network interchangeV.G. Cerf | Internet Standard | October 1969 |
| 1737 | Functional Requirements for Uniform Resource NamesK. Sollins, L. Masinter | Informational | December 1994 |
| 1738 | Uniform Resource Locators (URL)T. Berners-Lee, L. Masinter, M. McCahill · obsoleted by RFC 4248, RFC 4266 | Proposed Standard | December 1994 |
| 1808 | Relative Uniform Resource LocatorsR. Fielding · obsoleted by RFC 3986 | Proposed Standard | June 1995 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2141 | URN SyntaxR. Moats · obsoleted by RFC 8141 | Proposed Standard | May 1997 |
| 2276 | Architectural Principles of Uniform Resource Name ResolutionK. Sollins | Informational | January 1998 |
| 2483 | URI Resolution Services Necessary for URN ResolutionM. Mealling, R. Daniel | Experimental | January 1999 |
| 2648 | A URN Namespace for IETF DocumentsR. Moats | Informational | August 1999 |
| 3044 | Using The ISSN (International Serial Standard Number) as URN (Uniform Resource Names) within an ISSN-URN NamespaceS. Rozenfeld · obsoleted by RFC 8254 | Historic | January 2001 |
| 3187 | Using International Standard Book Numbers as Uniform Resource NamesJ. Hakala, H. Walravens · obsoleted by RFC 8254 | Historic | October 2001 |
| 3188 | Using National Bibliography Numbers as Uniform Resource NamesJ. Hakala · obsoleted by RFC 8458 | Informational | October 2001 |
| 3406 | Uniform Resource Names (URN) Namespace Definition MechanismsL. Daigle, D. van Gulik, R. Iannella, P. Faltstrom · obsoleted by RFC 8141 | Best Current Practice | October 2002 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 4854 | A Uniform Resource Name (URN) Namespace for Extensions to the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre | Informational | April 2007 |
| 5122 | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre | Proposed Standard | February 2008 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5234 | Augmented BNF for Syntax Specifications: ABNFD. Crocker, Ed., P. Overell | Internet Standard | January 2008 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |
| 6120 | Extensible Messaging and Presence Protocol (XMPP): CoreP. Saint-Andre | Proposed Standard | March 2011 |
| 6288 | URN Namespace for the Defence Geospatial Information Working Group (DGIWG)C. Reed | Informational | August 2011 |
| 6648 | Deprecating the "X-" Prefix and Similar Constructs in Application ProtocolsP. Saint-Andre, D. Crocker, M. Nottingham | Best Current Practice | June 2012 |
| 6838 | Media Type Specifications and Registration ProceduresN. Freed, J. Klensin, T. Hansen | Best Current Practice | January 2013 |
| 6943 | Issues in Identifier Comparison for Security PurposesD. Thaler, Ed. | Informational | May 2013 |
| 6963 | A Uniform Resource Name (URN) Namespace for ExamplesP. Saint-Andre | Best Current Practice | May 2013 |
| 6973 | Privacy Considerations for Internet ProtocolsA. Cooper, H. Tschofenig, B. Aboba, J. Peterson, J. Morris, M. Hansen, R. Smith | Informational | July 2013 |
| 7254 | A Uniform Resource Name Namespace for the Global System for Mobile Communications Association (GSMA) and the International Mobile station Equipment Identity (IMEI)M. Montemurro, Ed., A. Allen, D. McDonald, P. Gosden | Informational | May 2014 |
| 7282 | On Consensus and Humming in the IETFP. Resnick | Informational | June 2014 |
| 7320 | URI Design and OwnershipM. Nottingham · obsoleted by RFC 8820 | Best Current Practice | July 2014 |
| 7462 | URNs for the Alert-Info Header Field of the Session Initiation Protocol (SIP)L. Liess, Ed., R. Jesske, A. Johnston, D. Worley, P. Kyzivat | Proposed Standard | March 2015 |
| 7613 | Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and PasswordsP. Saint-Andre, A. Melnikov · obsoleted by RFC 8265 | Proposed Standard | August 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |