Pȁlȁne Vajirañāna Mahanayaka Thero (November 25, 1878 – September 21, 1955) was a Sri Lankan scholar Buddhist monk, who founded the renowned Siri Vajirārāmaya temple in Bambalapitiya, Sri Lanka. He was also the Maha Nayaka (head) of Amarapura Sri Dharmarakshita sect for 37 years from August 5, 1918 until his death in 1955.