Hyatt is a masculine given name borne by:
People Hyatt Bass (born 1969), American novelist, screenwriter, film director and philanthropist J. Hyatt Brown (born 1937), American billionaire businessman and politician Hyatt M. Gibbs (1938–2012), American physicist A. Hyatt Mayor (1901–1980), American art historian and curator at the Metropolitan Museum of Art A. Hyatt Smith (1814–1892), American lawyer, politician and Wisconsin pioneer J. Hyatt Smith (1824–1886), American politician and clergyman Hyatt Robert von Dehn (c. 1915–1973), American founder of the Hyatt hotel chain Hyatt Howe Waggoner (1913–1988, Hanover, New Hampshire), American English professor
Fictional characters Hyatt (Excel Saga), a feminine anime character