Kalyug, Kaliyug, Kali Yuga or Kaliyugam may refer to:
- Kali Yuga, is the "Age of Downfall" in Hinduism, the fourth stage of the world development that we are currently in
- Kaliyugam (1952 film), 1952 Indian film
- Kali Yug: Goddess of Vengeance, a 1963 Italian film
- Kaliyugam, 1973 Indian film
- Kalyug (1981 film), a 1981 Indian Hindi-language crime film
- Kaliyugam (1988 film), 1988 Indian film by K. Subash
- Kalyug (2005 film), an Indian film based on the pornographic film industry
- Kalyug (novel), 2014 novel by R. Sreeram