3-Way is a block cipher.

3-Way, 3Way, three-way, or three way may also refer to:

3WAY, Australian community radio station Three-way or threesome, three people having sexual intercourse together Three Way, Tennessee, a city in Madison County Three Way, Texas, a small unincorporated community in Erath County 3-way junction, road junction type 3Way International Logistics, a freight forwarding company in Ontario Cincinnati chili Three-way, a serving variant of Cincinnati-style chili

Popular culture "Three-Way" (CSI: Miami), 2005 CSI: Miami episode Three Way (film), a 2004 film based on Gil Brewer's 1963 pulp novel Wild to Possess Three Way (opera), a 2016 opera with music by Robert Paterson (composer) and a libretto by David Cote "3-Way (The Golden Rule)", a 2011 song and short video from Saturday Night Live 3 Way (web series), starring Maeve Quinlan and Kristy Swanson

Technology 3-way speaker, loudspeaker system with low, medium and high frequency drivers 3-way switch, interconnected electrical switches to control an electrical load 3-way bulb, incandescent light bulb with two filaments and three light settings Three-way calling, a telephone call involving two called parties Three-way handshake, a process in Transmission Control Protocol connecting a client and a server Three-way comparison, in computer science, comparison of the values of two quantities in a single operation

See also Ménage à Trois (disambiguation) Party line (disambiguation) Two-way (disambiguation)