Indiana - Role: Building
| Christian, John E. and Catherine E., House (Samara) |
| Christian Park School No. 82 |
| Chute, Haller T., Building |
| Cincinnati, Richmond, & Muncie Depot |
| Circle Theater |
| Citizens Bank |
| Citizens National Bank |
| Citizens' Trust Company Building |
| City Hall |
| City Market |
| Clark, Orin, House |
| Clark, Wellington A., House |
| Clay County Courthouse |
| Clay County Hospital |
| Clifford, Patrick and Catherine, House |
| Cline, Cyrus and Jennie, House |
| Clinton County Courthouse |
| Clore Plow Works-J.W. Whitlock and Company |
| Coambs, Norris and Harriet, Lustron House |
| Coburn, Henry P., Public School No. 66 |
| Coca-Cola Bottling Company Plant |
| Coca-Cola Bottling Plant |
| Cochran-Helton-Lindley House |
| Cockrum, William M., House |
| Coffin, Levi, House |
| Cole-Evans House |
| Cole, James Omar, House |
| Cole, Joseph J., Jr., House |
| Cole Motor Car Company |
| Colfax Carnegie Library |
| Collins School |
| Colman-Doctor Farm |
| Colonial |
| Colored Knights of Pythias Castle Hall |
| Colter, Ben, Polygonal Barn |
| Columbia Club |
| Columbus City Hall |
| Combination Shelter |
| Commercial Building |
| Condit House |
| Condon, Charles H. and Emma, House |
| Conklin-Montgomery House |
| Conn, Charles Gerard, Mansion |
| Conner's Bookstore |
| Conner, William, House |
| Convent Immaculate Conception Historic District |
| Converse Depot |
| Converse-Jackson Township Public Library |
| Conwell, Elias, House |
| Cooper-Alley House |
| Coppes, Frank and Katharine, House |
| Corbin, Roy and Iris, Lustron House |
| Cornell, William, Homestead |
| Coulter Flats |
| Cragun, Strange Nathanial, House |
| Craig, William Houston, House |
| Crawford-Gilpin House |
| Crawfordsville High School |
| Crawford-Whitehead-Ross House |
| Crawford-Winslow House |
| Craycraft, Daniel, House |
| Cross School |
| Crothersville Independent Order of Oddfellows (IOOF) Lodge |
| Crowe-Garritt House |
| Culbertson Mansion |
| Culver Commercial Historic District |
| Culver Union Hospital |
| Curtis-Grace House |
| Dartmouth |
| Daugherty, James and Annetta, House and Barn |
| Davenport-Bradfield House |
| David and Harriet Hopwood House |
| Daviess County Courthouse |
| Davis, William E. and Carolyn, House |
| Dearborn County Asylum for the Poor |
| Dearborn County Courthouse |
| Debs, Eugene V., House |
| Decatur County Courthouse |
| Dekalb County Home and Barn |
| Delaware Court |
| Delaware Flats |
| Dell Plain, Morse, House and Garden |
| Delphi City Hall |
| Delphi Methodist Episcopal Church |
| Delta Kappa Epilson Fraternity House |
| Dennis, David Worth, House |
| DePew, Dr. Jeremiah and Ann Jane, House |
| de Richardville, Chief Jean-Baptiste, House |
| Devonshire |
| Dierdorff Farmstead |
| Dietrich-Bowen House |
| Dille-Probst House |
| District School No. 3 |
| Division Street School |
| Dixie Garage |
| Doddridge Chapel and Cemetery |
| Dodge House |
| Douglass School |
| Downs, Thomas, House |
| Dresser, Paul, Birthplace |
Data from United States Park Service and Wikidata
