The 1998 Pocono 500 was the 15th stock car race of the 1998 NASCAR Winston Cup Series season and the 17th iteration of the event.

The race was held on Sunday, June 21, 1998, in Long Pond, Pennsylvania, at Pocono Raceway, a 2.5 miles (4.0 km) triangular permanent course.

Within the last 25 laps, Penske-Kranefuss Racing driver Jeremy Mayfield was able to defend against Hendrick Motorsports driver Jeff Gordon to complete a dominant run to win the race, securing his first career NASCAR Winston Cup Series victory and his only victory of the season.

Jeremy Mayfield, driving for Penske-Kranefuss Racing, would set the fastest time in the session, with a lap of 53.639 and an average speed of 167.788 mph (270.029 km/h).

Jeremy Mayfield, driving for Penske-Kranefuss Racing, would set the fastest time in the session, with a lap of 54.681 and an average speed of 164.591 mph (264.884 km/h).

[6] Jeff Gordon, driving for Hendrick Motorsports, would win the pole, setting a time of 53.558 and an average speed of 168.042 miles per hour (270.437 km/h).