A dropper or Pasteur pipette is an instrument used to transfer small quantities of liquid.

Dropper may also refer to:

Dropper (malware), a program that tries to install malware The Dropper, a 2000 album by experimental jazz fusion trio Medeski Martin & Wood a participant in the drop swindle an inhabitant of the "hippie commune" Drop City a reproductive structure used by the flowering plant Erythronium americanum

See also Dropping (disambiguation) Nathan Kaplan (1891–1923), also known as "Kid Dropper" or "Jack the Dropper", American gangster Garrett Droppers (1860–1927), American academic and diplomat