QN or qn may refer to: Qn, one of several robust measures of scale in statistics ATCvet code QN Nervous system, a section of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products QN connector, a type of coaxial RF connector Queen's Nurse (QN), an honorary title awarded by the Queen's Nursing Institute (QNI) to community nurses Queen regnant (Qn.), in the Christian Church, following the name of a Christian saint who was a Queen Queer Nation (QN), a United States LGBT social movement Quintillion (qn), a large number Quotidiano Nazionale, an Italian online newspaper