Nathaniel Mervin Haskell (September 27, 1912 – February 8, 1983) was an American attorney and Republican politician from Maine.

His parents died when he was two years old and his sister, Amelia, and her husband, Van Stevens, moved the family to Portland.

Determined to be a lawyer, he graduated from the Peabody Law School in 1934 and was admitted to the Maine bar.

The outgoing Governor, Frederick G. Payne, resigned early to begin preparing to take his new seat in the United States Senate.

[2] He was not closely related to Robert Haskell, another Senate President who briefly became governor in between the terms of a prior one and a newly elected one.