Koni or KONI is:
- Koni, Ivory Coast, a town
- Koni-class frigate, a class of Soviet frigates
- KONI (FM), a radio station located in Lanai City, Hawaii
- Koni or Kony (film), a 1986 Bengali film directed by Saroj Dey
- The KONI Group, a Dutch manufacturer of automobile shock absorbers and subsidiary of ITT Corporation
- The KONI Challenge Series, formerly the Grand-Am Cup series, a touring car racing series
- National Sports Committee of Indonesia, abbreviated KONI
- a synonym for Xalam, a stringed musical instrument
- Koni the Giant Boy, a Japanese cartoon that aired on TV Tokyo
- Koni (novel), a Bengali novel by Moti Nandi
- Koni Peninsula, Magadan Oblast, Russia
- Tropical Storm Koni
