Bal Keshav Thackeray, also known as Balasaheb Thackeray, was an Indian politician who founded the Shiv Sena, a right-wing pro-Marathi and Hindu nationalist party active mainly in the state of Maharashtra.

Keshav Sitaram Thackeray, was an Indian social reformer. He campaigned against superstitions, untouchability, child marriage and dowry. He was also a prolific author.