143 may refer to:

143 (number), the natural number following 142 and preceding 144 AD 143, a year of the 2nd century AD 143 BC, a year of the 2nd century BC 143 (West Midlands) Brigade, UK Infantry unit KiYa 143, a locomotive type 143 Adria, a main-belt asteroid

Film

143 (2004 film), an Indian Telugu film 143 (2022 film), an Indian Marathi film

Music

143 Records, record label of producer David Foster 143 (Bars and Melody album), 2015 143 (Katy Perry album), 2024 143 (EP), a 2013 EP by Tiffany Evans "1-4-3 (I Love You)", a 2013 song by Henry Lau from the EP Trap

Public transport R143, a subway car fleet for the B Division of the New York City Subway

See also

"Case 143", a 2022 song by Stray Kids List of highways numbered 143