James William Hyatt (September 19, 1837 – March 12, 1893) was Treasurer of the United States from 1887 to 1889.

[2] With the outbreak of the American Civil War in 1861, Hyatt joined the 5th Regiment Connecticut Volunteer Infantry.

[2] In 1876, Governor of Connecticut Charles Roberts Ingersoll appointed Hyatt Bank Commissioner.

Richard D. Hubbard, Charles B. Andrews, Hobart B. Bigelow, and Thomas M.

[2] After suffering for several weeks from gout and Bright's disease, Hyatt died at Norwalk on March 12, 1893.