| Election Name: | 1936 United States Senate election in Arkansas |
| Country: | Arkansas |
| Flag Year: | 1924 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1930 United States Senate election in Arkansas |
| Previous Year: | 1930 |
| Next Election: | 1937 United States Senate special election in Arkansas |
| Next Year: | 1937 (special) |
| Election Date: | November 3, 1936 |
| Image1: | File:Joseph T. Robinson cropped.jpg |
| Nominee1: | Joe T. Robinson |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 170,336 |
| Percentage1: | 84.08% |
| Nominee2: | G.C. Ledbetter |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 27,746 |
| Percentage2: | 15.06% |
| Map Size: | 210px |
| U.S. Senator | |
| Before Election: | Joseph T. Robinson |
| Before Party: | Democratic Party (United States) |
| After Election: | Joseph T. Robinson |
| After Party: | Democratic Party (United States) |
The 1936 United States Senate election in Arkansas took place on November 3, 1936. Incumbent Democratic Senator and Senate Majority Leader Joseph T. Robinson was re-elected to a fifth term in office. He defeated two Democratic opponents in the primary election and then dispatched Republican G.C. Ledbetter in the general election.