The 2006 co-captain tied for the team lead with six assists while finishing third in points (18) and fourth in goals (six).
She becomes just the second Lady Vol to pick up an award from the national coaches association twice, following Keeley Dowling's three selections from 2002-04.
The 2006 Southeastern Conference Co-Scholar-Athlete of the Year, Christoph also earned first-team All-SEC and second-team ESPN The Magazine Academic All-America honors this season.
Florida State, North Carolina and UCLA all had three selections on the squads to top all teams. Eleven of the 34 honorees took part in the 2006 Women's College Cup.
Tennessee finished with a 12-7-4 record overall in 2006, making its sixth straight NCAA Tournament. The Lady Vols advanced to the program's fourth regional semifinal in five years before losing to eventual national champions North Carolina.