| Birthname: | John Neal Erlenborn |
| State: | Illinois |
| District: | 13th |
| Term Start: | January 3, 1983 |
| Term End: | January 3, 1985 |
| Preceded: | Robert McClory |
| Succeeded: | Harris Fawell |
| State1: | Illinois |
| District1: | 14th |
| Term Start1: | January 3, 1965 |
| Term End1: | January 3, 1983 |
| Predecessor1: | Elmer J. Hoffman |
| Successor1: | Thomas J. Corcoran |
| State House2: | Illinois |
| District2: | 36th |
| Term Start2: | January 9, 1957 |
| Term End2: | November 1964 |
| Predecessor2: | H. B. Ihnen George W. Wilson Carl H. Wittmond |
| Successor2: | At-large district created |
| Birth Date: | 8 February 1927 |
| Birth Place: | Chicago, Illinois, U.S. |
| Death Place: | Warrenville, Illinois, U.S. |
| Party: | Republican |
| Spouse: | Dorothy C. Fisher |
| Alma Mater: | Loyola University (LLB) |
| Allegiance: |  United States |
| Branch: | United States Navy |
| Serviceyears: | 1944–1945 |
| Unit: | U.S. Naval Reserve |
| Battles: | World War II |
John Neal Erlenborn (February 8, 1927 – October 30, 2005) was an American lawyer and Republican member of the U.S. Congressional Delegations from Illinois, representing the 14th (then after 1980s redistricting the 13th) district. In all, he served 10 consecutive terms from 1965 to 1985.[1]
Born in Chicago, Illinois, Erlenborn attended Immaculate Conception High School (Elmhurst, Illinois), Loyola University Chicago and Loyola University Chicago School of Law.[2]
He represented his district for twenty years, from January 1965 to January 1985, a period which began with the 89th U.S. Congress. He retired after serving in the 98th U.S. Congress.
He subsequently became an adjunct faculty member of the Georgetown University Law Center, and served as a board member for the Legal Services Corporation from 1989 to 2001.
He died on October 30, 2005, at age 78, after suffering from Lewy body disease.[3]
The majority of his papers and other materials created during his time in office are held at the archives of Benedictine University.
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