The 1998 Atlanta Falcons season was the franchise's 33rd in the National Football League (NFL). The Falcons qualified for the Super Bowl for the first time under the guidance of second-year head coach Dan Reeves. The team won its final nine games of the season to earn the #2 seed in the National Football Conference (NFC) for the playoffs and the first-week bye. They beat the San Francisco 49ers in the Divisional round and the #1-seed Minnesota Vikings in the NFC Championship Game before losing to Reeves' old team, the Denver Broncos, 34–19 in Super Bowl XXXIII.
Head coach Dan Reeves almost didn't make it to the end of the season. After Week 14, he was diagnosed with multiple blockages to his coronary arteries, necessitating quadruple bypass surgery. Reeves admitted he ignored the warning signs in hopes of finishing the season, but ultimately felt he needed to be checked out. Doctors stated by the time he went for treatment, he may have been "within hours of a catastrophic heart attack. Defensive coordinator Rich Brooks substituted for him has head coach during Weeks 15 and 16. Reeves returned for Week 17 and finished the season.
The Falcons ranked fourth in the league in points scored (442 points) and surrendered the fourth-fewest points (289) in 1998; the Falcons also led the league in turnover differential at +20. They were the first dome team to play in a Super Bowl.