K
- Kahn, Albert, architect (2)
- Keely, Patrick Charles, architect (1)
- Kelham, G. W. , architect (1)
- Kellaway, Herbert J., landscape architect (17)
- Kelsey & Guild, landscape architect (1)
- Kelsey, Albert, architect (1)
- Kessler, George Edward, landscape architect (6)
- Kevin Roche, John Dinkeloo and Associates, firm (3)
- Kieffer, S. E., engineer (1)
- Kimball, Horace, landscape architect (3)
- Koch & Esser, architects (1)
- Kohn, Robert D., architect (1)