| Abbreviation | Definition |
|---|---|
| KNM | Kyoto National Museum |
| KSUM | Kent State University Museum |
| LACAC | Los Angeles County Arts Commission |
| LACM | Los Angeles County Museum |
| LACMA | Los Angeles County Museum of Art |
| LAM | Library Archives and Museums |
| LAM | Linfield Anthropology Museum |
| LAMH | Los Angeles Museum of the Holocaust |
| LAMOA | Los Angeles Museum of Art |
| LBMA | Long Beach Museum of Art |
| LCAM | Lexington Contemporary Art Museum |
| LCM | Living Computer Museum |
| LCM | Louisiana Children's Museum |
| LCMM | Lake Champlain Maritime Museum |
| LDMM | Lady Denman Maritime Museum |
| LEM | The LEarning Museum network project |
| LEMA | Lake Eustis Museum of Art |
| LGAM | Laguna Gloria Art Museum |
| LIMIS | Lithuanian Integral Museum Information System |
| LMFA | Longview Museum of Fine Arts |