Symmela marcelae is a species of beetle of the family Scarabaeidae. It is found in Brazil (Bahia).
Adults reach a length of about 7.5 mm. The body is entirely yellow. The surface is shiny and the dorsal surface is glabrous. The head and pronotum are without a cupreous iridescent shine.
The species is named after Marcela L. Monné Freire.