Oilinyphioides is a monotypic genus of spiders in the family Linyphiidae containing the single species, Oilinyphioides triangularis.
Oilinyphioides triangularis has been recorded from Chongqing and Hunan Province of China.
The genus name is a combination of Oilinyphia <small>Ono & Saito, 1989</small> and -oides "resembling", indicating the similarity between the two genera.
The specific name indicates the triangular distal arm of the paracymbium in the male.