Carr is a 5-foot-7, junior defensive specialist from Portland, Ore.
Carroll dropped two matches for the week, losing 2-3 to No. 19 Montana Tech and 0-3 to Rocky Mountain College.
Carr averaged seven digs a set.
Also nominated and listed in alphabetical order; Oliva Caddy of Montana Tech, Ayla Embry of Rocky Mountain College, Emily Feller of MSU-Northern and Jazi Smith of Montana Western.