Vector most often refers to:

• Disease vector, an agent that carries and transmits an infectious pathogen into another living organism
• Euclidean vector, a quantity with a magnitude and a direction

Vector may also refer to:

• 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 (C++), a type in the C++ Standard Template Library
  • Vector clock, an algorithm
  • Vector space model, an algebraic model for representing text documents
• 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

• Vector (Battle Angel Alita)
• Vector (comics), Marvel Comics
• Vector (G.I. Joe), vehicle
• Vector the Crocodile, in the Sonic the Hedgehog series
• 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

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

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

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

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

• 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

• 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

• 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 SRV8
  • Vector W2
  • Vector W8
  • Vector WX-3

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

• Thrust vectoring, directing engine thrust

• State Research Center of Virology and Biotechnology VECTOR, a biological research center in Russia
• 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 Informatik, a software tool and components provider for development of embedded electronics
• Vector Launch, an American space technology company, 2016–2019
• Vector Limited, a New Zealand gas and electricity supplier
• Vector Marketing, a multi-level knife marketing company
• Vector Motors, an automobile manufacturer

• Interval vector in musical set theory
• KRISS Vector, a .45 ACP submachine gun
• Light verb, or vector verb, in grammar
• Parker Vector, pens
• Vector 2022, a Wikipedia skin
• Vector Arena, Auckland, New Zealand
• Vector Map, a collection of Earth GIS data
• Vector, a brand of cereal sold by Kellogg's

• Vector graphics (disambiguation)
• Vectorization (disambiguation)
• Vectra (disambiguation)
• Vektor (disambiguation)
• All pages with titles containing Vector or Vectors
• All pages with titles beginning with Vector