William Sterling King (October 6, 1818 – June 29, 1882) was an American officer in the Union Army during the American Civil War, twice elected to the Massachusetts legislature, and was the first Chief Constable of the then-Massachusetts State Constabulary (the contemporary name of the modern Massachusetts State Police).

[2] King practiced law in New York City from 1839 to 1843 before moving to Woodland Farm in North Providence, Rhode Island.

The regiment suffered heavy losses; according to one source, nearly half of Company K was killed or wounded in these engagements.

According to contemporary accounts, he was hit by shot and shell between twenty and twenty-one times and received seven wounds.

[2] In 1866, King was made an assessor of United States Internal Revenue, and in 1871 became Registrar of Probate and Insolvency.