Smith led the way with 27 points, 10 rebounds and six assists. Johnson had 24 points and Crawford 20. Mike Bibby contributed 15 points, including 12 in the third quarter when Atlanta widened its five-point halftime advantage to 16.
Atlanta has won four of its last five.
The loss continued the Pacers' pathetic string against the Hawks -- 0-9.
Indiana got 16 points from Danny Granger and 13 from Darren Collison in its third straight loss overall.