Twi is a collection of dialects of the Akan language, spoken in Ghana.

TWI or Twi may also refer to:

• Twi-, a numerical prefix

As an acronym

• Tailwind Airlines (ICAO code), Turkish charter airline

• Tolerable weekly intake, an estimate of the amount of a harmful substance that can be safely ingested

• The Way International, a religious organization considered by some to be a cult

• The Welding Institute, a research and technology organisation based in the UK

• Tin Wing stop (MTR station code), a Light Rail stop in Hong Kong

• Topographic Wetness Index, an algorithm based on slope and flow accumulation

• Trade weighted index, an economic instrument used to compare exchange rates

• Training Within Industry, a service in the US that provided consultancy to war-related industries during World War II

• Trans World International, a distributor and producer of televised sports

• Tread Wear Indicator, a safety indicator on vehicle tyres (tires) shown in the Tire code

• Twickenham railway station (National Rail station code), a railway station in London

• Two-wire interface, a variant of I²C

• Two-way immersion, a form of dual language education

See also

• TWL (disambiguation)

• TW1 (disambiguation)