Pengaraneus is a monotypic genus of spiders in the family Araneidae containing the single species, Pengaraneus qingtian.
Pengaraneus qingtian has been recorded from Xishuangbanna in Yunnan province, China.
The genus is named after Chinese arachnologist , combined with the related genus name Araneus. The species name refers to the song ("sunny day") by Taiwanese singer Jay Chou.