"Dinner Party" is the thirteenth episode of the fourth season of the American comedy television series The Office and the show's sixty-sixth episode overall. Written by the writing team of Lee Eisenberg and Gene Stupnitsky and directed by Paul Feig, the episode originally aired on NBC on April 10, 2008. Guest stars in the episode include Beth Grant, Steve Seagren, and Gary Weeks.

The fourth season of the American television comedy The Office premiered in the United States on NBC on September 27, 2007, and concluded on May 15, 2008. The season consisted of 9 half-hour episodes, and 5 hour-long episodes to comprise the 19 total episodes of material created. The Office is an American adaptation of the British TV series of the same name, and is presented in a mockumentary format, portraying the daily lives of office employees in the Scranton, Pennsylvania branch of the fictitious Dunder Mifflin Paper Company. The season was originally set to include 30 episodes, but due to the 2007–2008 Writers Guild of America strike, production was called to a halt, in result, the season was shortened to 19 episodes. It stars Steve Carell, Rainn Wilson, John Krasinski, Jenna Fischer, and B. J. Novak, with supporting performances from Melora Hardin, Ed Helms, Leslie David Baker, Brian Baumgartner, Creed Bratton, Kate Flannery, Mindy Kaling, Angela Kinsey, Paul Lieberstein, Oscar Nunez, Craig Robinson, and Phyllis Smith.