Lurk, lurker, or lurking may refer to:
Lurker, a person who often reads discussions on internet networks but seldom contributes to them.
Lurk, a single long pole held with both hands, used in telemark skiing
Lurking variable, or a confounding variable, in statistics
Lorelei, nicknamed "Lurking Rock", a rock on the eastern bank of the Rhine River near St. Goarshausen, Germany
