Mattiastrum is a genus of flowering plants belonging to the family Boraginaceae.

Its native range is Crete to Pakistan. It is found in Afghanistan, Cyprus, East Aegean Is., Iran, Iraq, Kazakhstan, Lebanon-Syria, Pakistan, Palestine and Turkey.

The genus name of Mattiastrum is in honour of Elisabeth von Matt (1762–1814), an Austrian astronomer who is regarded as the only female scientist to have her observations published in European astronomy journals during the late 18th and early 19th century. It was first described and published in Repert. Spec. Nov. Regni Veg. Vol.14 on page 150 in 1915.

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