Karolju is a suite of original Christmas carols for choir and orchestra by the American composer Christopher Rouse. The work was commissioned in 1989 by the Baltimore Symphony Orchestra with support from the philanthropist Randolph Rothschild and the Barlow Endowment. It was completed in November 1990 and first performed on November 7, 1991 by the Baltimore Symphony Orchestra and Chorus conducted by David Zinman. The piece is dedicated to Rouse's daughter Alexandra.[1][2]