One of the names of the Hindu deity Murugan, popularly worshipped by the Tamil speaking Hindus who live predominantly in the state of Tamil Nadu, India. Murugan is better known in other parts of India as Karthikeya or Subramanya.

Senthil, a slapstick comedy film actor from the Tamil Nadu state of India

Senthil (Tamil: செந்தில்) is a Hindu male first name prevalent among the Tamil people. Sendhil is a better phonetic spelling than Senthil for the name, though Senthil is the more prevalent English spelling.