Milne may refer to:
- People with the surname Milne
- Places
- Milne Bay, large bay in Milne Bay Province
- Milne Bay Province, Papua New Guinea
- Milne Inlet, Nunavut, Canada
- Milne Land, large island in eastern Greenland
- Milne Townsite, an abandoned subdivision of Temagami, Ontario
- Milne (crater), a large lunar crater in the southern hemisphere on the far side of the Moon
- Other uses
- Battle of Milne Bay, battle of the Pacific campaign of World War II
- HMS Milne, the name of two ships of the Royal Navy
- Milne model, a special-relativistic cosmological model proposed by Edward Arthur Milne