TXN

TXN may refer to:


 * TXN (gene), a gene encoding Thioredoxin
 * Tarangan language (ISO 639:txn), spoken by inhabitants of the Aru Islands in eastern Indonesia
 * Texas Instruments (NASDAQ: TXN)
 * Texas Network, a media company
 * Texas & New Mexico Railway (reporting mark: TXN)
 * The Experts Network, an interactive digital sports network
 * TX Network, Japan
 * Huangshan Tunxi International Airport (IATA: TXN), China
 * TXN, abbreviation for transaction (disambiguation)
 * TXN, abbreviation for transcription (genetics)