John G. Trueschler (born September 13, 1957) is an American politician who was a member of the Maryland House of Delegates from District 42.
He served in this district along with fellow Republicans Susan L. M. Aumann and William J. Frank.
In the general election, they defeated Democratic challengers James W. Campbell, who was an incumbent, Matthew Joseph, and Stephen W. Lafferty.
[3] He is a founding member of the North Central Republican Club and served as vice-president from 1990 until 1991.
He was a member of the Medical Malpractice Insurance Work Group, the Maryland Veterans Caucus, and the National Conference of State Legislatures.