The word unity simply means oneness and is used in a variety of ways.

In science and technology, unity could refer to:

• Cisco Unity, or a voicemail server solution of Cisco Systems, Inc
• unity in mathematics refers to the number one. This also extends to electrical engineering, particularly to audio (see unity gain). Expressed in decibels, unity is 0dB.
• The Unity Module, a segment of the International Space Station.
• UNITY, a programming language.
• Unity, or unity of invention, is a patent law requirement.
• Unity, a Java socket server, written by //www.moock.org/about Colin Moock, and designed to work with XML Sockets in Macromedia Flash.

In entertainment, unity could refer to:

• Unity, a band featuring Pat Dubar of Uniform Choice
• Unity, an award-winning (BBC Radio 2 Folk Awards) album by John Tams
• Unity, the second album for Australian band George
• Unity, a jazz album by Larry Young
• Unity, the name of a cancelled computer game, developed by Lionhead Studios
• Unity is also the name of the fictional vessel in the fan-produced Series Star Trek: Unity
• Unity is a name of a 3D engine and game development tool by Danish company, OverTheEdge
• Unity, an album from Afrika Bambaataa, done with James Brown
• Unity, a briefly extant band formed by Lazo

In geography, Unity can refer to:

• Unity, a state of Sudan.
• Unity, Saskatchewan, a town in Saskatchewan, Canada
• Several places named Unity in the United States:

  Unity (town), Maine, a town in Waldo County, Maine

  Unity (CDP), Maine, a census-designated place in Waldo County, Maine

  Unity, Kennebec County, Maine, unorganized territory

  Unity, New Hampshire

  Unity, Oregon

  Village of Unity, Wisconsin

  Town of Unity in Clark County, Wisconsin

  Town of Unity in Trempealeau County, Wisconsin

  Unity Township, Pennsylvania

  Unity Village, Missouri

  West Unity, Ohio

In religion:

• Unity is the name of the belief system held by the members of the Unity Church.
• "Unity" may refer to the Roman Catholic Pontifical Council for Promoting Christian Unity.
• Unity is the informal name of the Unity Christian Music Festival, a three day Christian music concert held annually in Muskegon, Michigan.
• Unity is one of three the substanstial mottos for the Muslim nation or the first Islamic Republic enshrined on the official State symbols and officially on the National Emblem of Pakistan.
• Unity is one of the core beliefs of the Baha'i Faith.

In politics:

• Unity Party is the name of several political parties
• Unity (Enhet) is also the name of a small Swedish political party.
• Unity08 is an American political group whose aim is to build a coalition of supporters from both Democratic Party and Republican Party through various methods, including their web site.