| Louie Willard Strum | |
| Office: | Judge of the United States Court of Appeals for the Fifth Circuit |
| Term Start: | September 26, 1950 |
| Term End: | July 26, 1954 |
| Appointer: | Harry S. Truman |
| Predecessor: | Curtis L. Waller |
| Successor: | Warren Leroy Jones |
| Office1: | Chief Judge of the United States District Court for the Southern District of Florida |
| Term Start1: | 1948 |
| Term End1: | 1950 |
| Predecessor1: | Office established |
| Successor1: | John W. Holland |
| Office2: | Judge of the United States District Court for the Southern District of Florida |
| Term Start2: | March 2, 1931 |
| Term End2: | October 3, 1950 |
| Appointer2: | Herbert Hoover |
| Predecessor2: | Seat established by 46 Stat. 820 |
| Successor2: | John Milton Bryan Simpson |
| Birth Name: | Louie Willard Strum |
| Birth Date: | 16 January 1890 |
| Birth Place: | Valdosta, Georgia |
| Education: | Stetson University College of Law (LLB) |
Louie Willard Strum (January 16, 1890 – July 26, 1954) was a United States circuit judge of the United States Court of Appeals for the Fifth Circuit and previously was a United States district judge of the United States District Court for the Southern District of Florida.
Born in Valdosta, Georgia, Strum received a Bachelor of Laws from Stetson University College of Law in 1912. He was in the United States Navy from 1906 to 1910. He was in private practice of law in Jacksonville, Florida from 1912 to 1925. He was in the United States Navy as Lieutenant Commander during World War I from 1917 to 1919. He was an assistant attorney of Jacksonville from 1921 to 1923. He was city attorney of Jacksonville from 1923 to 1925. He was a justice of the Supreme Court of Florida from 1925 to 1931, serving as chief justice in 1931.
Strum was nominated by President Herbert Hoover on February 21, 1931, to the United States District Court for the Southern District of Florida, to a new seat created by 46 Stat. 820. He was confirmed by the United States Senate on February 28, 1931, and received his commission on March 2, 1931. He served as Chief Judge from 1948 to 1950. His service was terminated on October 3, 1950, due to his elevation to the Fifth Circuit.
Strum was nominated by President Harry S. Truman on September 14, 1950, to a seat on the United States Court of Appeals for the Fifth Circuit vacated by Judge Curtis L. Waller. He was confirmed by the Senate on September 23, 1950, and received his commission on September 26, 1950. His service was terminated on July 26, 1954, due to his death.