Refer or referral may refer to: Reference, a relation of designation or linking between objects Word-sense disambiguation, when a single term may refer to multiple meanings Referral marketing, to personally recommend, endorse, and pass a person to a qualified professional or service Referral (medicine), to transfer a patient's care from one clinician to another Commit (motion), a motion in parliamentary procedure Refer (software), the tr-off preprocessor for citations Rede Ferroviária Nacional, the Portuguese rail network manager Referral, a form of instant replay in cricket Criminal referral, a document recommending investigation of crimes to the appropriate authority HTTP referer, the address of the webpage of the resource which links to an internet webpage or resource See also Referee (disambiguation) Reference (disambiguation) Referent Reefer (disambiguation)