Ambrosius Francken I
Belgian painter
Ambrosius Francken II
Belgian painter; nephew of the above
Mattias Ekström
Swedish racing driver
(Kenneth) Mattias Öhlund
Swedish ice hockey player
Mattias John Erich Weinhandl
Swedish ice hockey player
Mattias Paulin Ferrell (b. 2006)
son of American actor, comedian, producer, and writer Will Ferrell