The acronym CREN may refer to:

• Corporation for Research and Educational Networking, provides networking services for Bitnet
• the Christian Real Estate Network, a private real estate association
• Citizens Research Education Network, community research firm in Connecticut
• Calgary Real Estate News
• Computer Research Education Network
• Consortium for Research and Education Network, the result of merger between bitnet and the Computer Science Network CSNET

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.