Dana L. Dow is an American politician from Maine. Dow served as a Republican State Senator from Maine's 20th District, where he represented most of Lincoln County, including his residence in Waldoboro. He graduated from the first class of Medomak Valley High School in 1969. He graduated from the University of Southern Maine. He was first elected to the Maine State Senate in 2004. He served a term (2010-12) in the Maine House of Representatives. In February 2012, Dow sought his old Senate seat following the resignation of David Trahan. He was defeated by Chris Johnson.