Piggyback, piggy-back, or piggybacking may mean:

Transport

* Piggyback (transportation), something that is riding on the back of something else

Art, entertainment, and media

* Splash cymbal piggybacking, mounting a cymbal on top of an already stand-mounted cymbal * "Piggyback" (song), 2017 song by Melanie Martinez * Chapter Nine: The Piggyback, 2022 episode of ''Stranger Things''.

Business, finance, and law

* Piggy-back (law), shareholder selling rights * Piggybacking, a practice in which a person with bad credit uses the seasoned tradeline of credit of someone else

Electronics

* Piggyback board, a daughterboard * Piggyback microcontroller, a microcontroller variant with EPROM socket

Healthcare

* Piggybacking, a second infusion set onto the same intravenous line using a Y-Set (intravenous therapy) * " Piggy-back technique", is a technique in liver transplantation in which the recipient inferior vena cava is preserved. * Vision Correction: The wearing of zero- or very-low-strength soft (daily disposable) contact lenses behind hard lenses if the hard lenses alone are uncomfortable or damaging to the cornea.

Science

* Piggyback plant, ''Tolmiea menziesii'' * Piggybacking, technique used in astrophotography * PiggyBac transposon system, a type of transposable DNA element

Security

* Piggybacking (security), when an authorized person allows (intentionally or unintentionally) others to pass through a secure door when they enter.

Telecommunications

* Piggybacking (data transmission), a bi-directional data transmission technique in network layer, sending data along with ACK called Piggybacking * Piggybacking (Internet access), obtaining wireless access by bringing one's own computer within the range of another subscriber's service {{disambig