Dever may refer to:
- Barbara Dever (born 1951), opera singer, appeared with Luciano Pavarotti, Plácido Domingo, Zubin Mehta
- Belinda Dever (born 1977), Australian retired netball player
- Dever Orgill (born 1990), Jamaican footballer
- James C. Dever III (born 1962), United States federal judge
- James Dever (1825–1904), Irish-born merchant and political figure in New Brunswick, Canada
- Joe Dever (born 1956), award-winning British fantasy author and game designer
- Kaitlyn Dever (born 1996), American actress
- Mark Dever (born 1960), senior pastor of the Capitol Hill Baptist Church in Washington, D.C.
- Paul A. Dever (1903–1958), Democratic politician from Boston, Massachusetts
- Seamus Dever (born 1976), American actor
- William Emmett Dever (1862–1929), the Democratic mayor of Chicago, Illinois, U.S. from 1923 to 1927
- William G. Dever (born 1933), American archaeologist, specialising in the history of Israel and the Near East in Biblical times