Pellenes tharinae is a species of jumping spider in the genus Pellenes that lives in Tanzania. It is a hairy medium-sized spider with a carapace that is between 1.3 and 1.7 mm (0.05 and 0.07 in) long and an abdomen between 1.2 and 2.1 mm (0.05 and 0.08 in) long. The female is larger than the male. The spider is generally dark brown on top and there is a distinctive pattern on the abdomen of both sexes that looks like a white arrow. The underside of the spider is also brown, although the sternum is a lighter brown. The spider's front legs are darker than the rest and there are hairs at the bottom of the spider's chelicerae. The female has flaps on its epigyne. The species was first described in 2006. It is named after the arachnologist Tharina Bird.

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