Tupua is a genus of Tasmanian araneomorph spiders in the family Physoglenidae that was first described by Norman I. Platnick in 1990.

Species it contains four species, found in Tasmania: Tupua bisetosa Platnick, 1990 (type) – Australia (Tasmania) Tupua cavernicola Platnick, 1990 – Australia (Tasmania) Tupua raveni Platnick, 1990 – Australia (Tasmania) Tupua troglodytes Platnick, 1990 – Australia (Tasmania)

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