The Friends of Maryland's Olmsted Parks & Landscapes, Inc. (FMOPL) is a non-profit membership organization, established in 1986, and affiliated with the National Association for Olmsted parks.

The Friends of Maryland's Olmsted Parks & Landscapes, Inc. is dedicated to the protection, enhancement, and appreciation of historic landscapes and green spaces nationwide, and in particular, to the protection and preservation of Maryland's Olmsted parks and landscapes.
FMOPL actively encourages the revival of Olmsted's comprehensive vision for parks and landscapes as essential to our quality of life.