Valonia

Valonia may refer to:
 * Valonia (alga), an algae genus in the family Valoniaceae
 * Valonia (spider), a spider genus in the family Sparassidae
 * Valonia oak (Quercus macrolepis), a tree species used in tanning
 * Valonia (fly), a signal fly, described by David McAlpine, 2001 in the family Platystomatidae (Diptera)