David Emmert Brumbaugh (October 8, 1894 – April 22, 1977) was an American politician.

D. Emmert Brumbaugh was born in Martinsburg, Pennsylvania.

In 1921, he became interested in the lumber business and later established an insurance agency.

The Republican Party elected Brumbaugh to the Seventy-eighth Congress to fill the vacancy caused by the resignation of James E. Van Zandt.

He was a delegate to the 1956 Republican National Convention from Pennsylvania.