| Year: | 1966 |
| Team: | Marshall Thundering Herd |
| Sport: | football |
| Conference: | Mid-American Conference |
| Short Conf: | MAC |
| Record: | 2–8 |
| Conf Record: | 1–5 |
| Head Coach: | Charlie Snyder |
| Hc Year: | 8th |
| Captain: | Andy Socha, Dennis Miller |
| Stadium: | Fairfield Stadium |
The 1966 Marshall Thundering Herd football team was an American football team that represented Marshall University in the Mid-American Conference (MAC) during the 1966 NCAA University Division football season. In its eighth season under head coach Charlie Snyder, the team compiled a 2–8 record (1–5 against conference opponents), tied for last place in the MAC, and was outscored by a total of 210 to 119. Andy Socha and Dennis Miller were the team captains.[1] The team played its home games at Fairfield Stadium in Huntington, West Virginia.