The white-bellied piculet (Picumnus spilogaster) is a Vulnerable species of bird in subfamily Picumninae of the woodpecker family Picidae.

Adult males of the nominate subspecies P. s. spilogaster have a black cap with a red patch on the forehead and white spots on the rest of it.

Their flight feathers are brown with light buff edges, especially on the secondaries and tertials.

Their chin, throat, and sides of the neck feathers are whitish with blackish bars.

[5] The white-bellied piculet has been observed feeding in pairs but nothing is known about its foraging technique or diet.

"[6] The IUCN originally assessed the white-bellied piculet as being of Least Concern but since 2012 has rated it as Vulnerable.