Group 3 may refer to:
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Group 3 element, chemical element classification
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Group 3 (motorsport), FIA classification of cars used in auto racing and rallying
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Group 3, the third tier of races in worldwide Thoroughbred horse racing
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Group 3 image format, Group 3 & Group 4 are digital technical standard for compressing and sending faxes
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Group 3 Rugby League, a rugby competition in Australia
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Group 3 Films, a British film production organisation funded by the National Film Finance Corporation
See also
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C group (disambiguation)
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Group C (disambiguation)
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Group (disambiguation)
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3 (disambiguation)
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