N series may refer to:
- Nokia Nseries, smartphone and tablet product family
- Netflix Series, a TV show produced by Netflix
- Isuzu Elf, known outside Japan as the N series
- Honda N engine
- Ford Model N
- Ford N-series tractor
- Scania N series
- Contax N-series cameras
- 900 hp (670 kW) N series of EMC Winton-engined switchers
- Ghandhara Industries N-series vehicles
- Acer N series, a series of PDAs
- Australian passport, N series
- "N" series ("nonperforming") mortgage trusts of the Resolution Trust Corporation
- N (video game) and its sequels
- Waco N series, biplanes
- N series, the seventeenth (2016–17) series of QI