David Hammel (November 26, 1838 – October 13, 1928) was a German American immigrant, businessman, and Democratic politician.

Hammel was born in Gemünden, Rhein-Hunsrück, which was then part of the Rhine Province of the Kingdom of Prussia (modern day Germany).

[1] He was educated in the German common schools until 1853, when, at age 14, he emigrated to the United States with his older brother, Jacob.

After leaving school, he remained in Ithaca for several years, working for his brother in dry good sales.

[6] After leaving office, Hammel moved to Austin, Minnesota, and continued in horse and cattle trading until his health failed.