Oliver Ellsworth (1745 - 1807), Chief Justice United States Supreme Court

Bobby Ellsworth (Bobby "Blitz" Ellsworth), vocalist for the thrash metal band Overkill

Ellsworth AFB, South Dakota

Ellsworth, Maine

Lincoln Ellsworth, American explorer

Ellsworth County, Kansas

Ellsworth Vines, tennis player

Brad Ellsworth, U.S. Representative from Indiana's 8th District

Ellsworth, a song by the country music group Rascal Flatts

Ellsworth, New Hampshire

Ellsworth Township, Minnesota

Richard E. Ellsworth, (c. 1911 – March 18, 1953), a USAF commander during the early part of the Cold War

Ellsworth, Kansas

Colonel Elmer E. Ellsworth, often called the "first conspicuous casualty" of the American Civil War

Charles C. Ellsworth (1824 - 1899), U.S. Representative from Michigan

Ellsworth, Indiana, now known as North Terre Haute, Indiana

Ellsworth, Illinois

Ellsworth, Pennsylvania

Ellsworth, Michigan

Ellsworth, Wisconsin

Jeri Ellsworth, computer chip designer

Ellsworth, Iowa

Ellsworth Township, Michigan

Ellsworth, Minnesota

Ellsworth (town), Wisconsin

Lake Ellsworth, Antarctica

Ellsworth Handcrafted Bicycles Inc., a high end US bicycle manufacturer.

Ellsworth (character), a cartoon character of the Walt Disney Company

Ellsworth Toohey, a character in Ayn Rand's novel The Fountainhead