Yoki or Yōki may refer to:
- Jojo Yoki, a Czech paraglider design
- Yoki Koto Kiku, a Japanese manga series
- Yōki-sō, a Japanese villa and gardens in Chikusa-ku, Nagoya
- Joyous Life (yōki yusan or yōki gurashi), a Tenrikyo belief and doctrine
- Yoki, a Fullmetal Alchemist character
- Yoki, the Canadian name for Chinese jump rope
- Yōki, a type of supernatural qi