Raghunatha Shiromani (Bengali: রঘুনাথ শিরোমণি, IAST: Raghunātha Śiromaṇi) (c. 1477–1547^[1]) was an Indian philosopher and logician. He was the head ( The Chancellor ) of the Ancient Mithila University also known as Mithila Vidyapeeth.^[2] He was born in a brahmin family at Nabadwip in present-day Nadia district of West Bengal state. He was the grandson of Śulapāṇi (c. 14th century CE), a noted writer on Smṛti from his mother's side. He was a pupil of Vāsudeva Sārvabhauma. He brought the new school of Nyaya, Navya Nyāya, representing the final development of Indian formal logic, to its zenith of analytic power.

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Raghunatha's analysis of relations revealed the true nature of number, inseparable from the abstraction of natural phenomena, and his studies of metaphysics dealt with the negation or nonexistence of a complex reality. His most famous work in logic was the Tattvacintāmaṇidīdhiti, a commentary on the Tattvacintāmaṇi of Gangeśa Upādhyāya, founder of the Navya Nyāya school.