Blue screen, Blue Screen or bluescreen may refer to:

• Chroma key or blue-screen compositing, a technique for combining two still images or video frames
• Blue screen of death, a fatal system error screen in Microsoft Windows
• Blue–white screen, an assay useful in biotechnology
• Blue Screen (novel), a 2006 novel by Robert B. Parker
• Bluescreen , a 2016 novel by Dan Wells