The Rennell gerygone (Gerygone citrina) is a species of bird in the family Acanthizidae.

It lives on Rennell Island.

It was formerly considered a subspecies of the fan-tailed gerygone (Gerygone flavolateralis), but was split as a distinct species by the International Ornithologists' Union in 2021.

[2] Its natural habitat is subtropical or tropical moist montane forests.

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