| Election Name: | 1936 United States Senate election in Texas |
| Country: | Texas |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1930 United States Senate election in Texas |
| Previous Year: | 1930 |
| Next Election: | 1941 United States Senate special election in Texas |
| Next Year: | 1941 (special) |
| Election Date: | November 3, 1936 |
| Image1: | File:SHEPPARD, MORRIS. SENATOR LCCN2016862554 (cropped).jpg |
| Nominee1: | Morris Sheppard |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 774,975 |
| Percentage1: | 92.56% |
| Nominee2: | Carlos Watson |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 59,491 |
| Percentage2: | 7.11% |
| U.S. Senator | |
| Before Election: | Morris Sheppard |
| Before Party: | Democratic Party (United States) |
| After Election: | Morris Sheppard |
| After Party: | Democratic Party (United States) |
The 1936 United States Senate election in Texas was held on November 3, 1936. Incumbent Democratic U.S. Senator Morris Sheppard was re-elected to a fifth term in office, easily dispatching his challengers.