Kalladi or Kallady may refer to:
- Kaladi (caste), is a subcaste of Pallar an agricultural community found in the Indian state of Tamil Nadu. Kalladi community is also found in Kerala and Karnataka. In Kerala, they are classified as the most vulnerable sub-caste in the scheduled caste community.
- Kalladi (Batticaloa), a village in Batticaloa District, Sri Lanka
- Kalladi (Jaffna), a village in Northern Province, Sri Lanka
- Kallady Bridge, Batticaloa District, Sri Lanka
- MES Kalladi College, Mannarkkad, Palakkad district, Kerala, India
- Kevin Kallady (1923–2008), Australian rules footballer