Collector
- K. Bohnsack3 objects
- K. G. Easton1 objects
- Kaiser3 objects
- Kamoya Kimeu1 objects
- Karen Beckwith135 objects
- Karen M. Nissen217 objects
- Karen Nero2 objects
- Karen Randlev6 objects
- Karin Nelson2 objects
- Karin Obal2 objects
- Karl Hufbauer6 objects
- Karl Kasten3 objects
- Karl Koenig1,416 objects
- Kate Delos1 objects
- Kate Koontz1 objects
- Kate S. Cory39 objects
- Katharine D. Jenkins6,874 objects
- Katherine Branstetter20 objects
- Katherine D. Jones1 objects
- Katherine Eloise "Kitty" Dobbins McCleave40 objects