Lewis Linn McArthur | |
|---|---|
 | |
| 20th Justice of the Oregon Supreme Court | |
| In office 1870–1878 | |
| Preceded by | Benoni Whitten |
| Succeeded by | position eliminated |
| Personal details | |
| Born | March 18, 1843 Virginia |
| Died | May 10, 1897 (aged 54) Portland, Oregon |
| Spouse | Harriet K. Nesmith |
Lewis Linn McArthur (March 18, 1843 – May 10, 1897) was known as an American newspaper publisher, attorney, and state judge in Oregon. He served as a justice of the Oregon Supreme Court from 1870 to 1878.
His son Clifton Nesmith McArthur also became an attorney and served in the United States Congress. His second son, Lewis A. McArthur, was the first editor of the Oregon Geographic Names publications.