Brian C. Bosma (born October 31, 1957) is an American politician and lawyer who served as speaker of the Indiana House of Representatives from 2004 to 2006 and 2010 to 2020. A member of the Republican Party, Bosma has served in the Indiana House since 1986. He replaced Gordon Harper. He was originally elected in the 50th district, but was redistricted to the 88th district in 1992. The 88th district encompasses northeast Marion County and portions of Hancock and Hamilton County.