Nathan Korn (1893-1941) was an American architect and builder in New York City.
He was born in 1893 to Jewish parents, Abraham Korn, a physician and director of the Young Men's Hebrew Association and Julia Rotholz. He was educated at Cooper Union and Columbia University. His father died in 1918.
He was known for reconstructing Russeks department stores in Manhattan, Brooklyn, and Chicago. His firm designed and built residential apartment buildings in Manhattan.
Korn was married to Miriam Weil, with whom he had a daughter, Judith May.
Korn was involved with Jewish charities. He was a director and house committee member of the United Home for Aged Hebrews.
Korn died of a heart attack at the age of 48 at the Beekman Hospital. He was survived by his wife, daughter, mother, and a sister, Hortense Meyer.