Raghunatha Siromani

Raghunatha Shiromani (, IAST: Raghunātha Śiromaṇi) was an Indian philosopher and logician. He was the head ( The Chancellor ) of the Ancient Mithila University also known as Mithila Vidyapeeth. He was born in a brahmin family at Nabadwip, in the Bengal Sultanate (present-day Nadia district of West Bengal state). He was the grandson of (c. 14th century CE), a noted writer on 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.

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 , a commentary on the Tattvacintāmaṇi of , founder of the school.