Vicki Brick, Deedee Warley and Rosita Melbourne had 12 points each for the eighth-seeded Terrapins (13-16), who won their first ACC tournament game in four years.
UNC swept the Terps in the regular season, winning at home 85-58 as well as at College Park, 68-57.
North Carolina has played in six of the last eight ACC Championship games and won four of the last eight titles. UNC's No. 2 seeding in this year's ACC Tournament is the Tar Heels' highest since 1997, when Carolina won the championship as the top seed. The last time North Carolina was seeded second was in 1994, when the Tar Heels won the ACC crown and went on to an NCAA title.
UNC has played in nine ACC Championship games, winning five, second only to Maryland, which has won eight. UNC's most recent crown was in 1998.
Saturday's game will be televised live by Fox Sports Net South and the Sunshine Network as part of the ACC women's basketball television package. Beth Mowins will provide play-by-play and Debbie Antonelli will add color commentary. The game also will be broadcast live on the Tar Heel Radio Network, of which 1360 AM-WCHL is the flagship station.
Carolina is 8-1 in its last nine games, with the only loss to No. 5 Duke, 90-75 on Feb. 24 in the final regular-season game of the season.
UNC's statistical leaders
Scoring: Coretta Brown (16.8 points per game)
Rebounding: Chrystal Baptist (7.6 per game)
Assists: Nikki Teasley (5.2 per game)
Steals: Nikki Teasley (2.1 per game)
Blocks: Candace Sutton (2.1 per game)
Field goal percentage: Jennifer Thomas (56.2, 63-112)
Three-point percentage: Coretta Brown (39.9, 81-203)
Free throw percentage: Nikki Teasley (87.3, 110-126)
Minutes per game: Coretta Brown (34.0 per game)
Game No. 1 - Seed No. 8 Maryland 72, Seed No. 7 Wake Forest 66
Game No. 2 - Seed No. 1 Duke 82, Seed No. 9 Florida State 66
Game No. 3 - Seed No. 4 Virginia vs. Seed No. 5 Georgia Tech, 2:00 p.m. (TV)
Game No. 4 - Seed No. 8 Maryland vs. Seed No. 2 North Carolina, 4:30 p.m. (TV)
Game No. 5 - Seed No. 3 Clemson vs. Seed No. 6 NC State, 7:00 p.m.
Game No. 6 - Seed No. 1 Duke vs. Winner of Game No. 3, 1:00 p.m. (FSN)
Game No. 7 - Winner of Game No. 4 vs. Winner of Game No. 5, 3:30 p.m. (FSN)
Game No. 8 - Championship Game, 7:30 p.m. (FSN)