Annamalai may refer to:
- Annamalai (film), a Tamil cinema film starring Rajinikanth
- Annamalai Hills, in Tamil Nadu state, India
- Annamalai University, in Annamalai Nagar, Tamil Nadu, India
- Arunachaleswara Temple in Thiruvannamalai, Tamil Nadu
See also:
- Anaimalai Hills, a trekking destination in the Western Ghats