David W. Ling (January 22, 1890 – May 17, 1965) was a United States federal judge.
Born in Ann Arbor, Michigan, Ling received an LL.B. from the University of Southern California Law School in 1913. He was in private practice in Clifton, Arizona from 1913 to 1927. He was a County attorney of Greenlee County, Arizona from 1921 to 1927. He was a judge on the Superior Court, Greenlee County, Arizona from 1927 to 1936.
Ling was a federal judge on the United States District Court for the District of Arizona. Ling was nominated by President Franklin D. Roosevelt on May 28, 1936, to a seat vacated by F.C. Jacobs. He was confirmed by the United States Senate on May 30, 1936, and received his commission on June 3, 1936. He assumed senior status on October 11, 1964. Ling served in that capacity until May 17, 1965, due to his death.
He died in Phoenix, Arizona.