The 1998 SummerSlam (marketed as SummerSlam: Highway to Hell) was the 11th annual SummerSlam professional wrestling pay-per-view (PPV) event produced by the World Wrestling Federation (WWF, now WWE). It took place on August 30, 1998, at Madison Square Garden in New York City, New York. Eleven matches were contested at the event, including three on the Sunday Night Heat pre-show.

The main event was a Singles match for the WWF Championship between Stone Cold Steve Austin and The Undertaker. Austin won the match via pinfall after a Low Blow and Stunner to retain the WWF Championship. The main match on the undercard featured a ladder match for the WWF Intercontinental Championship between Triple H and The Rock, which Triple H went on to win the Intercontinental Championship. This SummerSlam was the notable for the pay-per-view in-ring debut of Edge. It was also notable for being the most-bought SummerSlam Pay-Per-View in the event's history, with 700,000 buys.