L. Rubrius Dossenus was one of the moneyers for the year 87 BC. He is not otherwise known.
Gens Rubria was a plebeian family who is first known from the time of the Gracchi brothers. In the imperial period the Rubrii became more distinguished, and one of them – C. Rubrius Gallus – obtained the consulship in A. D. 101.
The surnames of the Rubrii in the time of the republic are Ruya, Varro, and Dossenus, the latter of which occurs only on coins