The 1988 Boise State Broncos football team represented Boise State University in the 1988 NCAA Division I-AA football season.

Led by second-year head coach Skip Hall, they finished the regular season at 8–3 (5–3 in Big Sky, third).

In the rivalry game with second-ranked Idaho at Bronco Stadium on November 19,[1] a conference attendance record of 23,687 was set, but the Vandals won for the seventh consecutive year.

[2][3] The Broncos made the Division I-AA playoffs,[4] the first time since 1981, but lost at home in the first round to Northwestern State to finish at 8–4.

[5] The Big Sky had three teams in the 16–team playoffs for the first time;[4] Montana lost at Idaho in the first round and the Vandals were stopped in the semifinals.