- Chinn, Genevieve1
- Chorberg, Israel1
- Chou, Wen-Chung, 1923-20191
- Christian, Bobby1
- Cirillio, Nancy1
- Claflin, Avery, 1898-19791
- Claremont String Quartet2
- Clark, A. William, 1925-1
- Clark, Richard X1
- Clarke, Henry Leland1
- Clarkson, Beverly1
- Cogan, Robert, 1930-1
- Cogan, Susan (Clarinetist)1
- Cohen, Beth1
- Cohen, David, 1927-19911
- Cohen, Isidore4
- Coker, Wilson1
- Colby String Quartet1
- Cole, Robert (Bassoonist)1
- Colgrass, Michael1
- Collins, Howard (Guitarist)1
- Columbia University Choir1
- Columbia University Orchestra2
- Columbia-Princeton Electronic Music Center3
- Composers Forum Concerts Collection158
- Condon, Ruth1
- Conrad, Barbara Smith, 1937-20171
- Consoli, Marc-Antonio1
- Contemporary String Quartet1
- Cook, James, 1728-17791
- Cooke, Francis Judd, 1910-19951
- Cope, David, 1941-1
- Copland, Aaron, 1900-19903
- Corey, Dean1
- Corner, Philip3
- Cortés, Ramiro, 1933-19841
- Cory, Eleanor, 1943-1
- Cowan, Daniel1
- Cowell, Henry, 1897-19655
- Cowen, Daniel1
- Cowen, Marjorie (Violinist)1
- Cramer, Browning, 1944-1
- Crane, Stephen, 1871-19001
- Crane, Thomas (Composer)1
- Crapsey, Adelaide, 1878-19141
- Crumb, George1
- Crutcher, Ronald1
- Cummings, E. E. (Edward Estlin), 1894-19623
- Cummiskey, Linda6
- Curtis-Smith, C. (Curtis), 1941-20141
- D'Angelo, Nicholas V1
- Dahlberg, Ramona1
- Dahlman, Barbro1
- Dalgleish, James1
- Dallapiccola, Luigi, 1904-19751
- Daniel, Oliver5
- Darnell, Robert, 1921-20141
- Dashow, James, 1944-1
- Davenny, Ward1
- Davidovsky, Mario, 1934-20192