Jørn Oberg Utzon, AC (Danish: [jɶɐ̯n ˈud̥sʌn]; 9 April 1918 – 29 November 2008) is a Danish architect, most notable for designing the Sydney Opera House in Australia.

When it is declared a World Heritage Site on 28 June 2007, Utzon becomes only the second person to have received such recognition for one of his works during his lifetime.

Other noteworthy works include Bagsværd Church near Copenhagen and the National Assembly Building in Kuwait.

He also makes important contributions to housing design, especially with his Kingo Houses near Helsingør.