Gold Bars: Who the Fuck Is Uncle Ludwig? is a Canadian documentary film, directed by Billie Mintz and released in 2025. The film profiles Glenn Feldman, a Montreal lawyer who is convinced that his former friend and business partner Irwin Lande's family wealth was acquired from Nazi gold stolen by Lande's uncle Ludwig Delphiner. Feldman's estranged daughter reluctantly joins her father's investigation of the claim as well, but begins to notice and highlight the increasing inconsistencies and implausibilities in his story.