Jon Landau (/ˈlændaʊ/; July 23, 1960 – July 5, 2024) was an American film producer. Best known for his collaborations with filmmaker James Cameron, he notably co-produced Cameron's epic romantic film Titanic (1997)—for which he won the Academy Award for Best Picture—as well as Cameron's Avatar film series (2009–2029). As of 2025, Titanic, Avatar (2009) and Avatar: The Way of Water (2022) are three of the four highest-grossing films of all time, with Avatar in the top spot (not adjusted for inflation).

Landau's other notable credits include Solaris (2002) and Alita: Battle Angel (2019), both of which he produced alongside Cameron, as well as Honey, I Shrunk the Kids (1989) and Dick Tracy (1990). Following his death from cancer in 2024, Landau's final works will be the final three Avatar sequels, for which he will be credited posthumously. His memoir, The Bigger Picture: My Blockbuster Life & Lessons Learned Along the Way, written after his cancer diagnosis, was published in November 2025, featuring a foreword by Cameron.

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