Henry Donnel Foster (December 19, 1808 – October 16, 1880) was an American lawyer and politician who served three terms as a Democratic member of the U.S. House of Representatives from Pennsylvania from 1843 to 1847, and from 1871 to 1873.

Foster pursued classical studies and graduated from the College of Meadville.

[1][2][3] After graduating, Foster commenced practice in Greensburg, Pennsylvania.

[3] Foster was elected as a Democrat to the Twenty-eighth and Twenty-ninth Congresses.

He unsuccessfully contested the election of John Covode to the Forty-first Congress.