3C
# 3C

3C may refer to:

In astronomy:

In business:

* Long March 3C, a 2008 Chinese orbital rocket
* 3C Records, a record label
* 3C (radio), a defunct digital radio station
* Team 3C Casalinghi Jet Androni Giocattoli, a defunct Italian professional cycling team
* 3C, the IATA code for defunct American airline RegionsAir
* Three-cent piece
* 3C (trade association) is an American trade association.

In computing:

* Three Cs (Compulsory, Capacity, and Conflict), three categories of CPU cache misses
* 3C, or Computer Control Company, Inc., a pioneering minicomputer company (1953–1966)
* Agile model: 3C (Card, Conversation, Confirmation)
* 3C, an abbreviation often used in Taiwan for "computer, communication, and consumer electronics"

In genetics:

* Alpha-tubulin 3C, a human gene
* 3C, or Chromosome conformation capture, a technique used in molecular biology

Substituted amphetamines (2C family analogues):

* 3C-G (Ganesha) with homologues
* 3C-BZ
* 3C-P
* 3C-E

In places:

