Ed

Ed, ed or ED can refer to several things:

ed
 Edition, a set of prints of a publication
 Editor, a person who makes changes to a document
 Education, teaching and learning skills
 -ed, a verb ending in English

ED
 Eating disorder, a medical disorder that involves unhealthy eating habits
 Erectile dysfunction, the inability to develop or maintain an erection of the penis
 Ecstasy Dosage, a type of drug
 Airblue, a private Pakistani airline, from their IATA airline code
 Encyclopedia Dramatica, a satirical wiki