| Year: | 1986 |
| Team: | Louisiana Tech Bulldogs |
| Sport: | football |
| Conference: | Southland Conference |
| Short Conf: | Southland |
| Record: | 6–4–1 |
| Conf Record: | 3–2 |
| Head Coach: | A. L. Williams |
| Hc Year: | 4th |
| Captain: | Walter Johnson, Clayton Shoemaker |
| Stadium: | Joe Aillet Stadium |
The 1986 Louisiana Tech Bulldogs football team was an American football team that represented Louisiana Tech University as a member of the Southland Conference during the 1986 NCAA Division I-AA football season. In their fourth year under head coach A. L. Williams, the team compiled an 6–4–1 record.