Spectra

Spectra may refer to:

The plural of spectrum, conditions or values that vary over a continuum
Harmonic series (music)
Kia Spectra, a car developed by Kia Motors from 2000–present
Optare Spectra, a bus body built by Optare
Spectra (installation), an artistic installation for the First World War centenary in London
Spectra (journal), of the Museum Computer Network (MCN)
Spectra Energy, an American company that was spun out of Duke Energy
SPECTRA helmet, a ballistic helmet made of Dyneema

Technology

Polaroid Spectra, a type of instant camera and instant film formerly produced by the Polaroid Corporation
RCA Spectra 70, the name for a series of mainframe computers made by RCA, and which were sold to Univac to become the Univac 90/60 series computer
Thales Spectra, an integrated defensive aids suite developed by Thales Group for the Dassault Rafale series of fighter aircraft
Motorola Spectra and Astro Spectra, models of two-way radio
Spectra, a brand of ultra-high-molecular-weight polyethylene fiber

Bantam Spectra, the science fiction/fantasy imprint of Bantam Books
Sally Spectra, a fictional character on The Bold and the Beautiful
Spectra (book), a 1916 American literary hoax
Spectra Books, publishing imprint
Spectra, a subsidiary of Comcast Spectacor, an American sports and entertainment company
Spectra Phantom, a character from the TV series Bakugan Battle Brawlers: New Vestroia
Spectra, the name of the enemy planet in the 1970s anime television series Battle of the Planets
Spectra, the fine arts and design group of Indian Institute of Technology Kharagpur
Spectra Vondergeist, a Monster High character
Spectra, a video game published by Mastertronic Group and scored by Chipzel