| Frederick Landis Jr. | |
| Office: | Senior Judge of the United States Court of International Trade |
| Term Start: | December 31, 1983 |
| Term End: | March 1, 1990 |
| Office1: | Judge of the United States Court of International Trade |
| Term Start1: | November 1, 1980 |
| Term End1: | December 31, 1983 |
| Appointer1: | operation of law |
| Predecessor1: | Seat established by 94 Stat 1727 |
| Successor1: | Thomas J. Aquilino |
| Office2: | Judge of the United States Customs Court |
| Term Start2: | October 16, 1965 |
| Term End2: | November 1, 1980 |
| Appointer2: | Lyndon B. Johnson |
| Predecessor2: | Charles Drummond Lawrence |
| Successor2: | Seat abolished |
| Birth Name: | Frederick Landis Jr. |
| Birth Date: | 17 January 1912 |
| Birth Place: | Logansport, Indiana |
| Death Place: | Carmel, Indiana |
| Education: | (AB) Indiana University Maurer School of Law (LLB) |
Frederick Landis Jr. (January 17, 1912 – March 1, 1990) was a judge of the United States Court of International Trade.
Born January 17, 1912, in Logansport, Indiana, Landis received an Artium Baccalaureus degree in 1932 from Indiana University Bloomington and a Bachelor of Laws in 1934 from Indiana University Maurer School of Law. He entered private practice in Logansport from 1935 to 1955. He was a Deputy Prosecutor for the Twenty-Ninth Judicial District in Indiana from 1935 to 1936. He was the Prosecutor for the Twenty-Ninth Judicial District from 1938 to 1940. He was a United States Naval Reserve lieutenant from 1942 to 1946. He was a member of the Indiana House of Representatives from 1950 to 1952. He was member of the Indiana Senate from 1952 to 1955. He was a Justice of the Indiana Supreme Court from 1955 to 1965.
Landis was nominated by President Lyndon B. Johnson on October 6, 1965, to a seat on the United States Customs Court vacated by Judge Charles Drummond Lawrence. He was confirmed by the United States Senate on October 15, 1965, and received his commission on October 16, 1965. He was reassigned by operation of law to the United States Court of International Trade on November 1, 1980, to a new seat authorized by 94 Stat. 1727. He assumed senior status on December 31, 1983. His service terminated on March 1, 1990, due to his death in Carmel, Indiana.