David Javerbaum is an American comedy writer and the executive producer of The Daily Show with Jon Stewart. He was hired as a staff writer there in 1999, promoted to head writer in 2002 and attained his current position at the end of 2006, winning eight Emmy Awards, two Peabody Awards and Television Critics Association Awards for both Best Comedy and Best News Show. He was also one of the three principal authors of the show's textbook parody America (The Book): A Citizen's Guide to Democracy Inaction, which sold 2.6 million copies and won the 2005 Thurber Prize for American Humor.

Javerbaum is an alumnus of the Graduate Musical Theatre Writing program at New York University's Tisch School of the Arts. He graduated Harvard University where he wrote for the humor magazine The Harvard Lampoon and served as lyricist and co-bookwriter for two productions of the Hasty Pudding Theatricals. Later, he spent three years writing for the satirical newspaper and website The Onion, including numerous articles for its best-selling book Our Dumb Century, which also won the Thurber Prize. He wrote for The Late Show with David Letterman from 1998-9.

He is also a musical-theater librettist and lyricist who is co-songwriter (along with Adam Schlesinger of Fountains of Wayne) of the upcoming adaptation of John Waters' Cry-Baby, scheduled to open on Broadway in spring 2008. He was the lyricist and co-bookwriter of Suburb, was nominated for Outer Critics' Circle and Drama League awards for Best Off-Broadway Musical in 2001. He won the $100,000 Ed Kleban Award for Outstanding Lyrics in 2005.

He was a finalist on Jeopardy!'s 1988 Teen Tournament and its 1998 Teen Reunion Tournament.

Javerbaum grew up in Maplewood, New Jersey , where he attended Columbia High School.