Delta
Delta commonly refers to:

Delta (letter) (Δ or δ), a letter of the Greek alphabet
River delta, at a river mouth
D (NATO phonetic alphabet: "Delta")
Delta Air Lines, US
Delta variant of SARS-CoV-2 that causes COVID-19Delta may also refer to:

Places
Canada
Delta, British Columbia
Delta (electoral district), a federal electoral district
Delta (provincial electoral district)
Delta, Ontario

United States
Mississippi Delta
Delta, Alabama
Delta Junction, Alaska
Delta, Colorado
Delta, Illinois
Delta, Iowa
Delta, Kentucky
Delta, Louisiana
Delta, Missouri
Delta, North Carolina
Delta, Ohio
Delta, Pennsylvania
Sacramento–San Joaquin River Delta,  California
Delta, Utah
Delta, Wisconsin, a town
Delta (community), Wisconsin
Delta County (disambiguation)

Elsewhere
Delta Island, Antarctica
Delta Stream, Antarctica
Delta, Minas Gerais, Brazil
Nile Delta, Egypt
Delta, Thessaloniki, Greece
Delta State, Nigeria
Delta, Astrakhan Oblast, Russia
Colonia Delta, Uruguay

Arts and entertainment
Fictional elements
Delta Megazord, a Megazord in Power Rangers in Space
Deltas, a working class in Aldous Huxley's Brave New World

Film and television
Delta (2008 film), Hungary
Delta (American TV series), 1992
Delta (Australian TV series), 1969
Macross Delta or Macross Δ, in the Macross anime series

Music
alt-J (∆), British indie band
Delta blues, a music style
"Delta", a song by Crosby, Stills & Nash from Daylight Again, 1982

Albums
Delta (video album), 2003, Delta Goodrem
Delta (Delta Goodrem album), 2007
Delta (Visions of Atlantis album), 2011
Delta (Mumford & Sons album), 2018
Delta, by Shapeshifter, 2013

Other media
Metal Gear Solid Δ (videogame)Delta (magazine), a poetry magazine
Delta (science magazine)
Delta (video game), 1987
Delta FM or Delta Radio, a former UK radio station

Businesses and organizations
Companies
Delta Air Lines, U.S.
Delta Connection, a Delta Air Lines brand
Delta Bank, Ukraine
Delta Cafés, a Portuguese coffee company
Delta Electric Company
Delta Electricity, Australia
Delta Electronics, Taiwan
Delta Faucet Company
Delta Holding, a Serbian corporation
Delta Hotels, Canada
Delta Machinery, a tool company
Delta Motor Corporation, South Africa
Delta Computer, a defunct computer company
Former Delta Motors Corporation, Philippines
DELTA (Dutch cable operator)

Schools
Delta State (disambiguation), several universities
Delta College (disambiguation)
Delta Academy (disambiguation)
Delta Secondary School (disambiguation)
Delta High School (disambiguation)
Delta School District (disambiguation)
Delta Career Education Corporation, US
Delta International University of New Orleans, Louisiana, US
Delta Schools, Riyadh, Saudi Arabia

Law enforcement
Delta (Norwegian police unit)

Military
Delta Force, U.S. Army special operations
Space Force Delta, US Space Force logo
Delta, a command echelon in the structure of the United States Space Force

Other organizations
STC Delta, a Georgian R&D center
American Delta Party, an American political party
San Francisco Deltas, a soccer team
Delta Omicron, a music fraternity

Finance
Delta (finance), rate of change of a value
Visa Delta or Visa Debit, a  debit card

People
Δ, signature  of David Macbeth Moir (1798–1851), Scottish physician and writer
Delta Burke (born 1956), American actress
Delta Goodrem (born 1984), Australian singer
Delta Work, drag queen
Penelope Delta (1874–1941), Greek author
Delta (wrestler) (born 1985), Mexican professional wrestler

Science, technology, and mathematics
The upper- and lower-case Greek letter delta (Δ, δ) are used in many fields to denote a difference in some parameter

Chemistry
Δ (delta), right-handed isomer in a coordination complex
Delta convention, for designating allenes
Δ is used to specify certain fatty acids

Computing
Delta (computer), a Russian ZX Spectrum clone
Delta encoding or delta compression, in computer communications
Delta timing, in relation to hardware and network responsiveness
DELTA, an OpenVMS debugger

Earth sciences
Epicentral distance (Δ)
Subtropical Storm Delta (1972), Atlantic
Tropical Storm Delta (2005), Atlantic
Hurricane Delta (2020), Atlantic

Mathematics
Δ, a difference of state between two before and after state schemas in the Z notation

  
    
      
        δ
      
    
    {\displaystyle \delta }
  , the first Feigenbaum constant
Delta connective, a unary connective in t-norm fuzzy logics
Delta method for approximating the distribution of a function
Difference operator (Δ)
Dirac delta function (δ function)
Kronecker delta (
  
    
      
        
          δ
          
            i
            j
          
        
      
    
    {\displaystyle \delta _{ij}}
  )
Laplace operator (Δ)
Modular discriminant (Δ)
Symmetric difference (Δ)
Non-inferiority margin (δ)
Δmn, a class of sets in the analytical hierarchy, for every natural number m, n

Medicine and biology
Delta (ligand), an activator of the notch signaling pathway
DELTA (taxonomy), a data format for descriptions of living things
Delta (wasp), Old World genus of potter wasps
Delta (moth) genus, also Campydelta
Delta variant of SARS-CoV-2 that causes COVID-19
Delta wave, a brain wave

Vehicles
Delta (rocket family)
Delta, a tricycle layout
Daihatsu Delta, trucks
Delta formation, V-shaped aircraft formation
Delta wing, a triangular aircraft wing
Delta-class submarine (NATO reporting name),  Soviet/Russian SSBN
GM Delta platform, a car platform
Lancia Delta, an Italian rally car
Oldsmobile Delta 88, a GM 1965–1983
TrikeBuggy Delta, an American ultralight trike

Other uses in science and technology
Refractory delta, in the roof of an electric arc furnace
Delta, a quadra group used in socionics
Delta baryon, a subatomic particle
Delta circuit, in three-phase electric power
Delta robot, a delta-shaped parallel robot
Ilford Delta, a photographic film

Sport
Delta (horse) (1946–1960), Australia
Mississippi Valley State Delta Devils and Devilettes, sports teams, Itta Bena, Mississippi, US
San Francisco Deltas, a soccer team
Delta (orienteering club), a Finnish former club

Other uses
Delta Dental, an American system
Delta Works, a flood-protection works in the Netherlands
Delta, a font designed by Aldo Novarese
Diploma in Teaching English to Speakers of Other Languages

See also

The Delta (disambiguation)
Delta model, a strategic management model
Nabla symbol (
  
    
      
        ∇
      
    
    {\displaystyle \nabla }
  ), an inverted delta representing del, a vector differential operator
Kronecker delta (
  
    
      
        
          δ
          
            i
            j
          
        
      
    
    {\displaystyle \delta _{ij}}
  ), a function
Dirac delta (
  
    
      
        δ
        (
        x
        )
      
    
    {\displaystyle \delta (x)}
  ), a function

  
    
      
        Δ
        A
        B
        C
      
    
    {\displaystyle \Delta ABC}
  , represents a triangle defined by points A, B and C
(ε, δ)-definition of limit

  
    
      
        Δ
        %
      
    
    {\displaystyle \Delta \%}
   (%CH), a percentage change operation found on some calculators

  
    
      
        
          Δ
          
            n
          
          
            0
          
        
      
    
    {\displaystyle \Delta _{n}^{0}}
  , a classification in the arithmetical hierarchy

  
    
      
        
          Δ
          
            n
          
          
            1
          
        
      
    
    {\displaystyle \Delta _{n}^{1}}
  , a classification in the analytical hierarchy

  
    
      
        
          Δ
          
            i
          
          
            P
          
        
      
    
    {\displaystyle \Delta _{i}^{P}}
  , a classification in the polynomial hierarchy
δ13C, a measure of the ratio of stable isotopes 13C:12C
δ15N, a measure of the ratio of stable isotopes 15N:14N
δ18O, a measure of the ratio of stable isotopes oxygen-18:oxygen-16
DeltaWing, a prototype of racing car
High-leg delta, a three phase electrical circuit
Delta Delta Delta, a sorority
Delta function (disambiguation)
Task Force Delta (disambiguation)
Delta Force (disambiguation)
Delta class (disambiguation)
Delta 1 (disambiguation)
Delta 4 (disambiguation)
All pages with titles beginning with Delta
All pages with titles containing Delta
All pages with titles beginning with Δ and δ
All pages with titles containing Δ and δ