Indiana is No. 1 in both major polls for the second straight week while Gonzaga climbed to the No. 2 spot.
The Associated Press media and USA Today coaches polls were released Monday.
It is the Hoosiers' fourth straight week in the top spot in the AP poll. Gonzaga is ranked second for the first time in the school's history.
Indiana (24-3) received 64 of 65 No. 1 votes in the AP poll and 28 of 31 votes in the USA Today poll. Gonzaga (27-2) got the remaining top votes.
The top 10 teams in both polls are the same, but in a different order. Duke and Michigan are third and fourth, respectively, in both polls.
Miami, which lost to Wake Forest by 15 points on Saturday, dropped from No. 2 to No. 5 in the AP poll and from second to seventh in the USA Today poll.
The rest of the media top 10 is No. 6 Kansas, No. 7 Georgetown, No. 8 Florida, No. 9 Michigan State and No. 10 Louisville.
The remainder of the coaches top 10 is No. 5 Kansas, No. 6 Florida, No. 8 Georgetown, No. 9 Louisville and No. 10 Michigan State.
Louisiana Tech, ranked No. 25 by the AP, made the rankings for the first time since the 1984-85 season when it was led by Karl Malone. The Bulldogs got as high as No. 7 that season. He later teamed with point guard John Stockton with the Utah Jazz. Stockton played for Gonzaga, also the Bulldogs, at the time.
Saint Louis also moved into the AP top 25 at No. 18 after knocking off Butler and Virginia Commonwealth.
Colorado State and Virginia Commonwealth dropped out of the AP poll.