James Daniel Eisenhauer (January 1, 1832 – November 16, 1896) was a merchant and political figure in Nova Scotia, Canada. He represented Lunenburg in the House of Commons of Canada from 1887 to 1891 as a Liberal member.

He was born in Lunenburg, Nova Scotia, the son of German immigrants, and was educated there.

Eisenhauer was a major exporter of fish to the West Indies. He was president of the Lunenburg Marine Association and treasurer for the Nova Scotia Wood Pulp and Paper Company. Eisenhauer represented Lunenburg County in the Nova Scotia House of Assembly from 1867 to 1878; he was defeated when he ran for reelection in 1878. After serving one term in the House of Commons, Eisenhauer was unsuccessful in the 1891 general election.

In 1859, he married Mary Ann Begg.

• James Daniel Eisenhauer – Parliament of Canada biography
• The Canadian parliamentary companion, 1889, JA Gemmill