Hillis is both a given name and a surname. Notable people with the name include:
Hillis Layne (1918-2010), American third baseman in Major League Baseball
J. Hillis Miller (born 1928), American literary critic
J. Hillis Miller, Sr. (1899-1953), the fourth President of the University of Florida
Yda Hillis Addis (born 1857), American writer
Ali Hillis (born 1978), American actress
David Hillis (21st century), prominent American herpetologist and systematic biologist
Dick Hillis (1913-2005), American Protestant Christian missionary to China
Elwood Hillis (born 1926), American politician
Horace Hillis (20th century), American politician
Mack Hillis, Major League Baseball second baseman
Margaret Hillis (1921-1998), American conductor
Newell Dwight Hillis (1858-1929), American writer
Norman Hillis (21st century), Northern Ireland politician
Peyton Hillis (born 1986), American football fullback
Rib Hillis (born 1971), American soap opera actor
Ron Hillis (born 1906), Australian rules footballer
W. Daniel Hillis (born 1956), American inventor, entrepreneur and author
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