Mathias Bille Kjørboe (1794–1859) was a Norwegian lawyer and politician.
He was a student from the Christianssand Cathedral School in 1810 and received his cand.jur.
After that he worked in the judicial office of his father in Østre Råbygdelaget in Nedenæs county.
From 1821 until 1823 he was the acting judge in Vestre Råbygdelaget in Nedenæs county.
In 1852, he was appointed the Diocesan Governor of Christianssand stiftamt as well as the County Governor of Lister of Mandals amt (a subordinate county).