# Vector

Vector most often refers to:
* Euclidean vector, a quantity with a magnitude and a direction
* Disease vector, an agent that carries and transmits an infectious pathogen into another living organism
Vector may also refer to:

## Mathematics and physics

* Vector (mathematics and physics)
** Row and column vectors, single row or column matrices
** Vector quantity
** Vector space
** Vector field, a vector for each point

## Molecular biology

* Vector (molecular biology), a DNA molecule used as a vehicle to artificially carry foreign genetic material into another cell
** Cloning vector, a small piece of DNA into which a foreign DNA fragment can be inserted for cloning purposes
** Shuttle vector, a plasmid constructed so that it can propagate in two different host species
** Viral vector, a tool commonly used by molecular biologists to deliver genetic materials into cells

## Computer science

* Vector, a one-dimensional array data structure
** Distance-vector routing protocol, a class of routing protocols
** Dope vector, a data structure used to store information about an array
** Feature vector, an n-dimensional vector of numerical features that represent some object
** Interrupt vector, the location in memory of an interrupt handling routine
** Initialization vector, a fixed-size input to a cryptographic primitive
** Vector clock, an algorithm
** Vector space model, an algebraic model for representing text documents
** Vector (C++), a type in the C++ Standard Template Library
* Euclidean vector, a geometric object with a direction and magnitude
** Vector graphics, images defined by geometric primitives as opposed to bitmaps
** Vector monitor, a display device used for early computers
** Vector game, any video game that uses a vector graphics display
* Vector (malware), approach used, or vulnerability exploited, in attacking a computer system
* Vector (robot), a 2018 robot by Anki

## Transportation
### Vehicles
#### Aircraft

* Aerodyne Systems Vector, an ultralight aircraft
* Hall Vector 1, a glider
* A brand of reconnaissance drone produced by Quantum-Systems
* Radar vector, headings assigned by air traffic control for navigation

#### Nautical vessels

* MT Vector, a Philippine tanker ship
* CCGS Vector, a 1967 hydrographic survey vessel in the Canadian Coast Guard

#### Automotive vehicles

* Pinzgauer High-Mobility All-Terrain Vehicle (ATV) (Vector), a military patrol vehicle
* VECTOR, a Dutch light utility vehicle
* Vector, a variant of the Saab 9-3 automobile
* Vector Motors sports cars
** Vector M12
** Vector W2
** Vector W8
** Vector WX-3
** Vector SRV8

### Other transportation

* Thrust vectoring, directing engine thrust

## Entertainment
### Characters and fictional elements

* Vector (Battle Angel Alita)
* Vector (comics), Marvel Comics
* Vector (G.I. Joe), vehicle
* Vector the Crocodile, in the Sonic the Hedgehog series
* Septima Vector, a Hogwarts professor in the Harry Potter universe
* Vector, a Barian Emperor from Yu-Gi-Oh! Zexal
* Vector class in Wipeout games
* Victor "Vector" Perkins in Despicable Me (film), 2010
* Vector, in the game Resident Evil: Operation Raccoon City
* Vector, a weapon in the series Elfen Lied
* Vector, a location in the video game Final Fantasy VI
* Vector Industries, an organization in the Xenosaga video game series

### Games

* Vector (video game), 2012 video game
* Vectorman, 1995, for Sega

### Music

* Vector (band), 1980s
* Vector (album), a 2018 album by Haken
* Vector (rapper) (b. 1983), Nigerian
* Martin Wheeler, aka Vector Lovers

## Literature

* Vector (magazine), the critical journal of the British Science Fiction Association
* Vectors (journal), a defunct online journal covering digital humanities
* The Vector (newspaper), a student-run newspaper of the New Jersey Institute of Technology
* Vector (novel), a 1999 novel by Robin Cook

## Business

* Vector Informatik, a software tool and components provider for development of embedded electronics
* Vector Engineering, multinational engineering, procurement, construction management, and operations service provider
* Vector Graphic, an early manufacturer of 8-bit microcomputers
* Vector Group, a publicly traded holding company, focusing on tobacco and real estate
* Vector Limited, a New Zealand gas and electricity supplier
* Vector Marketing, a multi-level knife marketing company
* Vector Motors, an automobile manufacturer
* Vector Launch, an American space technology company, 2016–2019
* State Research Center of Virology and Biotechnology VECTOR, a biological research center in Russia

## Other uses

* Interval vector in musical set theory
* KRISS Vector, a .45 ACP submachine gun
* Light verb, or vector verb, in grammar
* Parker Vector, pens
* Vector Arena, Auckland, New Zealand
* Vector Map, a collection of Earth GIS data
* Vector 2022, a Wikipedia skin