Red Gum may refer to any of a number of species of Eucalyptus or the closely related Corymbia, including

• Corymbia calophylla - Red Gum or Marri, native to Western Australia
• Eucalyptus camaldulensis - Red Gum, Murray Red Gum or River Red Gum
• Eucalyptus macrorhyncha - Red Gum, Red Stringybark, Cannons Stringybark or Capertee Stringybark
• Eucalyptus tereticornis - Red Gum or Forest Red Gum

or may refer to

• Redgum - An Australian folk and political music band

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