- This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.
- Spectrum, a Star Trek: TOS non-fiction zine published by Jeff Johnston
- Spectrum, a Star Trek: TOS newsletter published by S.T.A.R. Toledo
- Spectrum, a Star Trek newsletter published by USS Shadowstar
- Spectrum, a multimedia convention held in Maryland in the 1980s
- Spectrum, a Star Trek and science fiction convention held in Texas in the 1970s
- SPECTRUM, a Voltron zine