Marl is type of calcium carbonate or lime-rich sedimentary rock.
Marl or MARL may also refer to:
People Marl Young (1917–2009), American musician and arranger Marley Marl (born 1962), a hip hop record producer
Places Europe Marl, North Rhine-Westphalia, a city in Germany Marl Chemical Park, large chemical works in Marl, Germany Marl-Hamm station, railway station in Marl Marl Mitte station, railway station in Marl Marl-Sinsen station, railway station in Marl Marl, Lower Saxony, a municipality in Germany Marl (Conwy electoral ward), in North Wales, UK
North America Marl Creek Provincial Park, British Columbia, Canada Marl Hill, an historic building in Virginia Marl Lake, a small lake in Michigan Marl Mountains, Mojave National Preserve, California
Science Marl, another name for the western barred bandicoot Marl Formation, geologic formation in France Marl prairie, a type of wetland found in the Everglades, Florida Marl Slate Formation, a geologic formation in England Multi-agent reinforcement learning (MARL), a sub-field in machine learning
Other uses Marl Kingdom, a series of video games by Nippon-Ichi Marl yarn is made from strands of different-colored yarn twisted together Melbourne Airport rail link, planned railway line in Melbourne, Australia USS Marl (IX-160), a barge of the United States Navy
See also Marle (disambiguation)