Warning sign may refer to:

• A traffic warning sign is a type of sign which indicates a potential hazard, obstacle or condition requiring special attention
• Safety sign, a sign that warns of a hazard, prohibited action, required action or equipment, and locations of safety equipment or exits
• Hazard symbol, recognisable symbols designed to warn about hazardous or dangerous materials, locations, or objects
• Warning label, label attached to a product (such as chemicals or tobacco) warning the user about risks associated with its use

Media

• Warning Sign (film), a 1985 American film directed by Hal Barwood
• "Warning Signs", an episode of the TV series The Walking Dead
• "Warning Sign" (song), by Eddie Rabbitt, 1985
• "Warning Sign", by Coldplay from A Rush of Blood to the Head , 2002
• "Warning Sign", by Nick Heyward, 1984
• "Warning Sign", by Talking Heads from More Songs About Buildings and Food , 1978

This disambiguation page lists articles associated with the title Warning Sign.
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