Null may refer to:
Science, technology, and mathematics
Astronomy
- Nuller, an optical tool using interferometry to block certain sources of light
Computing
- Null (SQL) (or NULL), a special marker and keyword in SQL indicating that something has no value
- Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler. This symbol has no visual representation.
- Null device, a virtual file that discards data written to it, on Unix systems
/dev/null - Null pointer or reference (sometimes written
NULL,nil, orNone), an object pointer (or reference) not currently set to point (or refer) to a valid object
Mathematics
- Null (mathematics), a zero value in several branches of mathematics
Physics
- Null (physics), a point in a field where the field quantity is zero
- Null (radio), a concept in electromagnetism
Arts and media
- The Null Corporation, an imprint of the band Nine Inch Nails
- Null (Intronaut EP), 2006
- Null (Foetus EP), 1995
- Null, an identity of the character Gray Fox in the Metal Gear Solid: Portable Ops video game
- Null, a villain from Teenage Mutant Ninja Turtles Adventures
- Null (The Legend of Zelda), the main antagonist of The Legend of Zelda: Echoes of Wisdom
- Null, a mysterious character from Baldi's Basics.
People with the surname
- Christopher Null (born 1971), American writer and film critic
- Eduard van der Nüll (1812–1868), Austrian architect
- Gary Null (born 1945), American radio host and author of works about alternative medicine
- Keith Null (born 1985), American football player
- Luke Null (born 1990), American actor and comedian
See also
- Ø (disambiguation)
- Null symbol (disambiguation)
- 0 (disambiguation)
- Nil (disambiguation)
- Nul (disambiguation)
- Nullity
- Nullification
- Nothing (disambiguation)
- All pages with titles beginning with Null
- All pages with titles containing Null
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