Acanthopagrus taiwanensis, the Taiwan picnic seabream, is a species of marine ray-finned fish belonging to the family Sparidae, the sea breams and porgies.

Acanthopagrus taiwanensis was first formally described in 2006 by Yukio Iwatsuki and Kent E. Carpenter with its type locality given as the estuary basin of Tung-kang river, the types being bought at Donggang fish market.

The colour of head and body is mainly black, with a whitish belly and chin, there is a dark spot above the base of the pectoral fin.

[6] Acanthopagrus taiwanensis is found in the northwestern Pacific Ocean where it seems to be endemic to the waters off western Taiwan where it is associated with river mouths.

[1] Acanthopagrus taiwanensis is commonly available in Taiwanese fish markets but is known only from its type locality.