2 and two may mean:

• 2 (number), a number, numeral, and glyph
• 2, the year 2 AD
• 2 BC, the year 2 BC

In music

• #2, the pseudonym of American musician Paul Gray, when performing with Slipknot
• 2wo, a metal band
• No. 2 (band), an American alternative rock band
• 2 (album), album by The Black Heart Procession
• 2 (Sneaky Sound System)
• 2 (Pole album)
• 2nd (single), single by The Rasmus
• Two (The Calling album)
• Two (Earshot album)
• Two (Soko album)
• Number 2, nickname of Chris Barker (bassist) of the punk rock band, Anti-Flag
• Two (Kathryn Williams and Neill Maccoll album), an album released by Kathryn Williams and Neill Maccoll
• 2 (Nik & Jay album), album by Nik & Jay
• 2 (Pierre Bensusan album), 1977 album by Pierre Bensusan,
• Two (Smoking Popes album)
• 2 (Dover album), 2007 compilation by Spanish rock band Dover

In film:

• Two (film), an Indian film
• Number 2 (Austin Powers), a character in the Austin Powers movies played by Robert Wagner and Rob Lowe.
• No. 2 (film), a New Zealand feature film

In sports:

• catcher, position number 2 on a baseball team
• shooting guard, position number 2 on a basketball team
• hooker, position number 2 on a rugby union team

In transportation:

• 2 (New York City Subway service), a service of the New York City Subway
• Union Station (Toronto), in Canada, with Amtrak abbreviation TWO

In television:

• RTP2, "2:" or "a dois", a Portuguese television station
• Two (TV Series)
• "Two" (The Twilight Zone), an episode of The Twilight Zone
• Number Two (The Prisoner), a character in the British television series "The Prisoner"
• Leoben Conoy, the Cylon model also known as Number 2 on Battlestar Galactica

2 may also refer to:

• 2 Pallas, a large asteroid
• defecation, euphemistically referred to as Number 2, as opposed to Number 1 (urination)
• High density polyethylene, embossed with the number 2 on consumer plastics
• The word too in internet slang
• "2", "The Copy", and "Fake 1" are pseudonyms of Pilar reknown Poker player Pato Baldi, who is said to be a cheesy imitation of Martín Besteiro (AKA "1"), but who has really got a style of his own.

See also

• 1+1=2, a song by Lou Bega
• Duo
• II (disambiguation)
• Number Two
• Citrus Red 2
• Year Two (School)
• 02 (disambiguation)