United States •
David Davis (Supreme Court justice) (1815–1886), American Supreme Court justice and U.S. Senator •
David Floyd Davis (1867–1951), American oil businessman and politician •
David J. Davis (1870–1942), American politician, lieutenant governor of Pennsylvania •
D. W. Davis (David William Davis, 1873–1959), American politician, Governor of Idaho •
David Jackson Davis (1878–1938), U.S. federal judge •
David Davis IV (1906–1978), American lawyer and politician •
David Davis (Tennessee politician) (born 1959), American politician, U.S. Representative from Tennessee
Other countries •
David Davis (New South Wales politician) (1854–1927), Australian politician, member of the New South Wales Legislative Assembly •
David Davis (lord mayor of Birmingham) (1859–1938), British politician, first Jewish lord mayor of Birmingham, England •
David Davis (British politician) (born 1948), British Member of Parliament, Secretary of State for Exiting the European Union •
David Davis (Australian politician) (born 1962), Australian politician, member of the Victorian Legislative Council ==Sports==