Malvin Daniel Wald (August 8, 1917 – March 6, 2008) was an American screenwriter most famous for writing the 1948 police drama The Naked City, for which he was nominated for the Academy Award for Best Story. He wrote over 150 scripts for motion pictures and TV shows including Peter Gunn, Daktari, and Perry Mason. He also served with the Army Air Forces and taught screenwriting at the University of Southern California.