Vishveshvara Bhatta (IAST: Viśveśvara Bhaṭṭa), popularly known as Gaga Bhatt (from Gāgā Bhaṭṭa) was a 17th-century Brahmin scholar from Varanasi, best known for presiding over the coronation of the Maratha king, Shivaji.
Gaga Bhatt was renowned as Vedonarayana ("greatest exponent of Vedic discourse"). The Bhatta family originally hailed from Paithan. His great grandfather Nārāyaņa Bhațța was a well-known scholar and his notable works on smriti include, Prayogaratna, Tristhalisetu and Antyeșțipaddhati. His grandfather was Rāmakŗșņa Bhațța, the eldest son of Nārāyaņa. His father Divākara Bhațța, the eldest son of Rāmakŗșņa was an author on smriti. His works include, Bhațțadinākara,Śāntisāra and Dinākaroddyota. His uncle, Kamalākara Bhațța, was also a noted scholar, mostly known for his Nirņayasindhu, a popular work on smriti. Gaga Bhatt himself is known for his Bhațțacintāmaņi, a work on Mīmāṃsā.