David Alan Domina is an American lawyer and politician from Nebraska. A member of the Democratic Party, he was involved in a number of high-profile legal cases, including the impeachment of Nebraska Attorney General Paul L. Douglas in 1986, and that of University of Nebraska regent David Hergert in 2006. Beginning in 2012, he represented opponents of the Keystone XL pipeline in contesting a legislative measure relating to the use of eminent domain for the pipeline.