Cartridge can refer to:
- Cartridge (electronics), a module to be inserted into a larger piece of equipment
- 4-track cartridge, an analogue music storage format popular from the late 1950s to the early 1970s
- 8-track cartridge, an analogue music storage format popular from the late 1960s to the early 1980s
- Film cartridge
- Cartridge (firearms), a round of charge-and-bullet ammunition
- Magnetic cartridge, the removable part of a record player (turntable) arm holding the stylus (needle)
- Ink cartridge, a replaceable component of an inkjet printer that contains the ink
