Bulgarian toponyms in Antarctica (M)
- Macheret Trench, Livingston Island
- Machete Hook, Livingston Island
- Macrobius Cove, Graham Coast
- Madan Saddle, Smith Island
- Madara Peak, Livingston Island
- Madrid Dome, Oscar II Coast
- Madzharovo Point, Anvers Island
- Maglenik Heights, Sentinel Range
- Maglizh Rocks, Smith Island
- Magura Glacier, Livingston Island
- Makresh Rocks, Robert Island
- Malak Sechko Cove, Nelson Island
- Malamir Knoll, Greenwich Island
- Malasar Peak, Sentinel Range
- Maleshevo Cove, Livingston Island
- Malina Cove, Low Island
- Malkoch Peak, Sentinel Range
- Malorad Glacier, Trinity Peninsula
- Malyovitsa Crag, Livingston Island
- Mamarchev Peak, Sentinel Range
- Manastir Peak, Oscar II Coast
- Mancho Buttress, Trinity Peninsula
- Manole Pass, Sentinel Range
- Manolov Glacier, Alexander Island
- Marash Peak, Nordenskjöld Coast
- Marchaevo Peak, Oscar II Coast
- Marinka Point, Brabant Island
- Maritsa Peak, Livingston Island
- Markeli Point, Smith Island
- Marla Glacier, Trinity Peninsula
- Marmais Point, Trinity Peninsula
- Marsa Glacier, Sentinel Range
- Marten Crag, Trinity Peninsula
- Marvodol Glacier, Fallières Coast
- Maslarov Nunatak, Nordenskjöld Coast
- Masteyra Island, Anvers Island
- Mateev Cove, Livingston Island
- Mateev Point, Low Island
- Matochina Peak, Smith Island
- Matov Peak, Davis Coast
- Maystora Peak, Greenwich Island
- Meana Point, Nelson Island
- Mount Mecheva, Foyn Coast
- Mechit Buttress, Danco Coast
- Mechka Island, Wilhelm Archipelago
- Meda Nunatak, Foyn Coast
- Mediolana Bluff, Brabant Island
- Medovene Point, Smith Island
- Meduza Island, Wilhelm Archipelago
- Medven Glacier, Livingston Island
- Melanita Island, Trinity Island
- Meldia Rock, Nelson Island
- Melnik Peak, Livingston Island
- Melnik Ridge, Livingston Island
- Melta Point, Livingston Island
- Melyane Island, Livingston Island
- Memolli Nunatak, Sentinel Range
- Mendoza Cove, Elephant Island
- Mesta Peak, Livingston Island
- Metis Island, Biscoe Islands
- Metlichina Ridge, Oscar II Coast
- Mezdra Point, Snow Island
- Mezek Peak, Smith Island
- Mida Island, Wilhelm Archipelago
- Midzhur Peak, Sentinel Range
- Mihaylovski Cove, Livingston Island
- Mihaylovski Crag, Oscar II Coast
- Mihnevski Peak, Oscar II Coast
- Mikov Nunatak, Nordenskjöld Coast
- Mikre Beach, Snow Island
- Miladinovi Islets, Desolation Island
- Miletich Point, Greenwich Island
- Milev Rocks, Robert Island
- Milkov Point, Davis Coast
- Miller Spur, Danco Coast
- Mindya Cove, Tower Island
- Minzuhar Glacier, Oscar II Coast
- Mirovyane Peak, Sentinel Range
- Mishev Bluff, Liège Island
- Mishka Island, Wilhelm Archipelago
- Misionis Bay, Pickwick Island
- Mitev Glacier, Brabant Island
- Mitino Buttress, Graham Coast
- Mitkaloto Peak, Danco Coast
- Miziya Peak, Livingston Island
- Mneme Lake, Livingston Island
- Modev Peak, Two Hummock Island
- Modren Peak, Sentinel Range
- Mogilyane Peak, Trinity Peninsula
- Mokren Bight, Astrolabe Island
- Molerov Spur, Nordenskjöld Coast
- Momchil Peak, Greenwich Island
- Momino Point, Brabant Island
- Montana Bluff, Livingston Island
- Montemno Lake, Livingston Island
- Montojo Island, Biscoe Islands
- Monyak Hill, Sentinel Range
- Morava Peak, Trinity Peninsula
- Moriseni Peak, Alexander Island
- Mount Moriya, Nordenskjöld Coast
- Mostich Hill, Rugged Island
- Mozgovitsa Glacier, Alexander Island
- Mrahori Saddle, Nordenskjöld Coast
- Mraka Sound, Biscoe Islands
- Mugla Passage, Livingston Island
- Muldava Glacier, Graham Coast
- Mundraga Bay, Nordenskjöld Coast
- Mureno Peak, Trinity Peninsula
- Murgash Glacier, Greenwich Island
- Mursalitsa Peak, Sentinel Range
- Musala Glacier, Greenwich Island
- Musina Glacier, Oscar II Coast