143

143 may refer to:


 * 143 (number), a natural number
 * AD 143, a year of the 2nd century AD
 * 143 BC, a year of the 2nd century BC
 * 143 (EP), a 2013 EP by Tiffany Evans
 * 143 (Bars and Melody album), a 2015 album by Bars and Melody
 * 143 (Katy Perry album), a 2024 album by Katy Perry
 * 143 (2004 film), an Indian Telugu film
 * 143 (2022 film), an Indian Marathi film
 * "1-4-3 (I Love You)", a 2013 song by Henry Lau from the EP Trap
 * 143 (West Midlands) Brigade
 * 143 Records, record label of producer David Foster
 * KiYa 143, a locomotive type
 * 143 Adria, a main-belt asteroid