The 1966 Grambling Tigers football team represented Grambling College (now known as Grambling State University) as a member of the Southwestern Athletic Conference (SWAC) during the 1966 NCAA College Division football season. Led by 24th-year head coach Eddie Robinson, the Tigers compiled an overall record of 6âÂÂ2âÂÂ1 and a mark of 5âÂÂ1âÂÂ1 in conference play, sharing the SWAC title with Southern.