Karl G. Neumeier (January 29, 1889 – October 30, 1992) was an American lawyer and politician.
Neumeier was born in Stillwater, Washington County, Minnesota, and graduated from Stillwater High School in 1907.
He graduated from the University of Minnesota and received his law degree from William Mitchell College of Law.
He lived in Stillwater with his wife and family and practiced law there.
Neumeier died at the Greeley Health Care Center in Stillwater.