Umbrella effect may refer to:

• Umbrella effect (ecology). in which the presence of an umbrella species protects other species in the same habitat
• Umbrella effect (economics). in which a dominant company or cartel creates an "umbrella" of high prices over the rest of the market
• Umbrella effect (everyday life). in which the act of bringing an umbrella and raincoat, or otherwise preparing thoroughly for inclement weather, appears to prevent the predicted rainfall from occurring
• Umbrella effect (upper management). in which upper management seems to cast a shadow over their employee's, using them to conduct "shady" business.

This disambiguation page lists articles associated with the title Umbrella effect.
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