Henry Nelson Walker (November 30, 1811 – February 24, 1886) was a Michigan politician.

In Fredonia, New York, Walker graduated from an academy, and then started to practice law.

On November 6, 1843, Walker was elected as a member of the Michigan House of Representatives from the Wayne County district.

[1] Walker served as Michigan Attorney General from 1845 to 1847.

[2] Walker was married to Emily Virginia Norvell, daughter of United States Senator John Norvell.