Mark H. Beaubien Jr.

Mark H. Beaubien Jr. (October 30, 1942 – June 5, 2011) was a Republican member of the Illinois House of Representatives. He represented the 52nd House district from 1996 to 2011, and prior to his death, served as Assistant Republican Leader.

He was a descendant of Mark Beaubien, the owner of Chicago's Sauganash Hotel.