Sankar or Shankar generally refers to a Hindu description of one of the chief gods, Lord Shiva. It may also refer to:
- Sankar (author), Bengali author,
- Sankar, Nepal, a village in Nepal,
- R. Sankar, former Chief Minister of Kerala
- Sankar Ganesh, Indian music director duo
- Ponnar Sankar, a Tamil epic poem.
- Gauri Sankar, the second highest peak of the Rolwaling Himal
- C. Sankar, an Indian politician.
- Sankar Cement, a brand of cement in India.