| Arvin O. Arnold | |
| Birth Name: | Arvin Otis Arnold |
| Birth Date: | 24 January 1878 |
| Birth Place: | Bigneck, Illinois, U.S. |
| Death Place: | Quincy, Illinois, U.S. |
| Occupation: | Businessman, politician |
| Party: | Republican |
| Office1: | Member of the Illinois Senate |
| Term Start1: | 1940 |
| Term End1: | September 11, 1941 |
| Office2: | Member of the Illinois House of Representatives |
| Term Start2: | 1918 |
| Term End2: | 1930 |
Arvin Otis Arnold (January 24, 1878 - September 11, 1941) was an American businessman and politician.
Arnold was born near Bigneck, Illinois, He graduated from Maplewood High School in Camp Point, Illinois. He was the owner of the Arnold Printery Company in Quincy, Illinois. Arnold served in the Illinois House of Representatives from 1919 to 1929. He was a Republican. Arnold then served in the Illinois Senate in 1941. He died while still in office. Arnold died at a hospital in Quincy, Illinois after suffering a cerebral hemorrhage while working at his printing plant.[1] [2]