Newton's sunbird, or the São Tomé sunbird (Anabathmis newtonii) is a species of bird in the family Nectariniidae.

[1] It is endemic to São Tomé Island.

[1] It is one of the smallest sunbirds.

[2] In general, the bird has dark olive upperparts - the male has an iridescent green-purple throat and upper breast region, while females have a dull olive throat and yellowish underparts, but underparts in female youth do not develop into yellow until later sexual maturity.

This Nectariniidae-related article is a stub.