Spectra
- Bantam Spectra
- Battle of the Planets
- Chipzel
- Comcast Spectacor
- Kia Spectra
- List of Bakugan Battle Brawlers characters
- Marina Bay Sands
- Mastertronic Group
- Monster High
- Motorola Spectra
- Optare Spectra
- Phasmatodea
- Polaroid Spectra
- RCA Spectra 70
- SPECTRA helmet
- Sally Spectra
- Specctra
- Spector (disambiguation)
- Spectra (installation)
- Spectra (journal)
- Spectra (mathematical association)
- Spectra (poetry collection)
- Spectra Books
- Spectra Energy
- Spectra Group
- SpectraVision (disambiguation)
- Spectre (disambiguation)
- Spectrum (disambiguation)
- Thales Spectra
- Ultra-high-molecular-weight polyethylene