Patrick Hayward Caddell (May 19, 1950 – February 16, 2019) was an American public opinion pollster and a political film consultant who served in the Carter administration. He worked for Democratic presidential candidates George McGovern in 1972, Jimmy Carter in 1976 and 1980, Gary Hart in 1984 (primary), Walter Mondale in 1984 (general election), Joe Biden in 1988, and Jerry Brown in 1992. He also worked for Mario Cuomo, Bob Graham, Michael Dukakis, Paul Simon, Ted Kennedy, Harold Washington, and Andrew Romanoff.