Amos Nourse (December 17, 1794 – April 7, 1877) was a medical doctor who became a U.S.

He was collector of customs at Bath from 1845 and 1846 and commenced practice of medicine in that city.

He was lecturer on obstetrics at Bowdoin College from 1846 to 1854, and professor of that branch from 1855 to 1866.

[1] He was elected to the United States Senate as a Republican to fill the vacancy caused by the resignation of Hannibal Hamlin and served from January 16 to March 3, 1857.

He died at Bath in 1877 and is buried in Hallowell, Maine.