One-way

One-way or one way may refer to:

One-way traffic, a street either facilitating only one-way traffic, or designed to direct vehicles to move in one direction
One-way travel, a trip that does not return to its origin

Music

One Way (American band), American R&B-funk band popular from late 1970s through the 1980s
One Way (South Korean band), South Korean R&B/hip hop group managed by YJ Media

"One way" (Sid song), 2009
"One Way", a song by Dierks Bentley from his 2018 album The Mountain (Dierks Bentley album)
"One Way", a single by The Levellers from their 1991 album Levelling the Land
"One Way", a song by Loona yyxy from their 2018 EP Beauty & the Beat (EP)
"One Way", a song by Thelma Aoyama from her 2008 album Diary (Thelma Aoyama album)

One Way (2006 film), a film by Reto Salimbeni
One Way (2022 American film), an American action thriller
One Way (2022 Indian film), an Indian Tamil-language drama film
One-Way (novel) (French Un aller simple), a 1994 novel by French writer Didier Van Cauwelaert
One-way function, a function that is easy to compute on every input, but hard to invert given the image of a random input
One-way encryption, in computer science
One-way mirror, a glass through which one can see only from one side
One Way Sport, a sportswear brand
Check valve, also a one-way valve
Single-use, or disposable products