Nonnula is a genus of puffbird in the Bucconidae family. It contains the following species: Chestnut-headed nunlet (Nonnula amaurocephala) Brown nunlet (Nonnula brunnea) Grey-cheeked nunlet (Nonnula frontalis) Rusty-breasted nunlet (Nonnula rubecula) Rufous-capped nunlet (Nonnula ruficapilla) Fulvous-chinned nunlet (Nonnula sclateri)