Daniel J. O'Donnell (born November 17, 1960) is an American politician from the state of New York. A Democrat, he is a member of the New York State Assembly. O'Donnell represents the 69th district in Manhattan, made up of the neighborhoods of Manhattan Valley, Morningside Heights, and portions of the Upper West Side and West Harlem. He is the older brother to Rosie O'Donnell.