Doodlebug or doodle bug may refer to:

Animals Cockchafer or doodlebug, a European beetle Woodlouse or doodlebug Armadillidiidae or doodlebug, a family of woodlice Doodlebugs, the larvae of antlions, a family of insect

Film Doodlebug (film), a 1997 short film by Christopher Nolan Caroline "Doodlebug" Bichon, a character in the 1995 film Something to Talk About Doodlebug Simkins, a character in the 1975 film Cleopatra Jones

Transportation Aircraft V-1 flying bomb or the Doodlebug Flylight Doodle Bug, a British powered hang glider Heuberger Doodle Bug, an American home-built aircraft McDonnell Doodlebug, a 1920s light aircraft

Rail and road Doodlebug (railcar), a self-propelled railroad vehicle Doodle Bug scooter, a 1950s motor scooter Doodlebug tractor, an American World War II home-built tractor Texaco Doodlebug, a 1930s tanker truck

Other uses Doodlebug, nickname of Craig Irving, American rapper from the group Digable Planets Doodle Bug, a 1985 video game for the VIC-20 Dowsing or doodlebugging, divining for petroleum or water Reflection seismology data collection or doodlebugging