Yoki may refer to:
- Japanese: Happiness/ Snow / Life Force
- Native American: Rain
- Chinese: Positive Energy
- A Brazilian packaged foods company
- Yoki Koto Kiku, a Japanese shōnen manga series by Koge-Donbo
- Yokiko "Yoki" Nekogami, the eldest of the triplets around whom the manga revolves
- Joyous Life (Yōki yusan or Yōki gurashi), in Tenrikyo
- Yoki, a Fullmetal Alchemist character
- Yoki, the Canadian name for Jumpsies
- Aura (paranormal)