William Henry Eustis (July 17, 1845 – November 30, 1928) was the 17th mayor of Minneapolis, Republican nominee for Governor of Minnesota in 1898, and a philanthropist.

He moved to Minneapolis in 1881 and started dealing in real estate, becoming more well known as an owner of downtown buildings than as an attorney.

"[3]: 124 In 1923, he bought 65 acres (26 ha) of land on the west side of the Mississippi River and donated 21 acres (8.5 ha) to the Minneapolis School Board for the site of the Michael Dowling School, devoted to the education of handicapped children.

He subsequently donated the remaining 44 acres (18 ha) of land, along with $900,000 in securities, to the University of Minnesota for a hospital and convalescent home.

[3]: 122  The hospital included an outpatient department, two floors of rooms for inpatient treatment, space for an on-site school, and an amphitheater for teaching purposes.