What religion is Condoleezza Rice?
She’s a Christian.
Did you mean to ask what denomination of Christian she is? (Sorry, a pet peeve of mine)
Condi Rice is a Presbyterian.
Her grandfather was a Presbyterian minister, who founded Westminister Presbyterian Church in Birmingham, Alabama. Her father, John Rice, was also a Presbyterian minister, dean of the historically black Stillman College, and later the vice chancellor of the University of Denver.
More info on her family history and background here.