Vidhva Shiromani Brahma Sri C. Ganesha Iyer (1 April 1878 – 8 November 1958) was a Ceylonese Tamil philologist[1] from Jaffna.

[2] Iyer was the fifth son of Chinnaiyar and Chinnammal, born in the agricultural village of Punnalaikkadduvan, 12 kilometers north of Jaffna city.

The private tuition he received at home from his uncle, Kathirgama Iyer, enabled him to achieve the first rank in school.

After the death of Ponnambala Pillai, Ganesha Iyer was a student under Chunnakam Kumaraswamy Pulavar for some time.

He was the Principal of Praseena Paatasala at Chunnakam established by Muhandiram T. Sathasiva Iyer from the year 1921 till 1932.

Every evening he conducted a class under the banyan tree in the vicinity of Maruthady Vinayagar temple at Varuthalaivilan.