Clemson climbed two spots, from 10th to eighth, in the USA Today coaches' poll after beating Maryland 40-27 on Saturday.
The Tigers remained ninth in The Associated Press Top 25.
The top six spots are the same in both polls, with Alabama followed by Oregon, Florida State, Ohio State, Baylor, Miami and Stanford.
Stanford and Clemson follow in the coaches' poll, and are the highest-ranked teams with one loss.
The AP poll ranks Auburn eighth, with Clemson ninth.
Both polls have Missouri ranked 10th.
South Carolina is ranked 14th by AP and 16th by the coaches.
Both Virginia Tech and Duke were among those who received votes in the coaches' poll.
The Harris Interactive poll, which was released later Sunday afternoon, has Clemson at No. 8 - up two spots from last week.