Despite clinching a shot at the SEC title for the tirst time in nearly two decades Saturday, the Tigers slid in the poll.
Auburn is now ranked 16 in the latest AP poll, two spots lower than it was last week.
Auburn claimed a share of the SEC title with a 79-70 comeback victory over South Carolina.
The Tigers are the SEC's second-highest ranked team.
There are three SEC teams ranked in the latest AP top 25.
Tennessee is ranked 13th, Auburn is 16th and Florida is 23rd.