Henry S. Elliott (March 26, 1858 – April 22, 1942) was an American attorney and politician who served as the United States Commissioner for the Western District of Washington as a Democrat.

Henry S. Elliott was born on March 26, 1858, to Charlotte Stuart and Stephen Elliott Jr., future Confederate Brigadier General.

He graduated from Columbia University and was admitted to the bar in 1879.

In 1889 he was selected as one of the Democratic delegates to the Wyoming constitutional convention to draft its constitution to be submitted for statehood and served as temporary chairman.

[4] On April 13, 1923, he was appointed as United States Commissioner for the Western District of Washington, Northern Divisions and served until March 26, 1942.