Num may refer to:
- Short for number
- Short for the Book of Numbers of the Hebrew Bible
- Num, a god of Samoyedic peoples of Siberia — see Nga (god)
- Khnum, a god of Egyptian mythology
- Mios Num, an island of western New Guinea
- Num, Nepal
- num, the code for the Niuafo'ou language of Tonga
NUM may refer to:
- National Union of Mineworkers (Great Britain)
- National Union of Mineworkers (South Africa)
- National University of Mongolia
- New Ulster Movement in Northern Ireland
- Node.js, Unix based operating system, MongoDB software bundle (compare with LAMP (software bundle))