Aperture can refer to:
- Aperture Science - the corporation featured in the Portal series and mentioned in Half-Life 2: Episode Two
- ApertureScience.com - Aperture Science's official website
- Aperture Science computer-aided Enrichment Center - Aperture Science's headquarters and testing facility
- The technology developed by Aperture Science, often using "Aperture Science" in the names
- The weapons developed by Aperture Science, often using "Aperture Science" in the names
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