Silas Armstrong (January 3, 1810 — December 14, 1865) was an American Wyandot merchant and politician.

Armstrong was born on January 3, 1810, near Upper Sandusky, Ohio, and was raised in a Bear Clan community.

There, Armstrong began trading in a rented building in modern-day Westport.

He worked as a merchant, sawmill operator, land speculator, and farmer, later forming a partnership with Hiram Northup.

[4] Armstrong served as Head Chief of the Wyandot Nation from 1858,[5] until he fell ill and died in office[6][7] on December 14, 1865.