Ramanathan Krishnan is a retired tennis player from India who was among the world's leading players in the 1950s and 1960s. He was twice a semifinalist at Wimbledon in 1960 and 1961, reaching as high as World No.
Sellapan Ramanathan , usually referred to as S. R. Nathan, was a Singaporean politician who was the sixth President of Singapore & the commander-in-chief of the Singapore Armed Forces serving a twelve-year term from 1 September 1999 to 31 August 2011, having been elected in uncontested elections in the 1999 Singaporean presidential election and in the 2005 Singaporean presidential election when former president Ong Teng Cheong stepped down from the position. In 2009, he surpassed Benjamin Sheares to become Singapore's longest-serving President.
Ramanathan V. Guha is the creator of widely used web standards such as RSS, RDF and Schema.org. He is also responsible for products such as Google Custom Search.
Ramanathan is a South Indian male given name. Due to the South Indian tradition of using patronymic surnames it may also be a surname for males and females.
Ramanathan Gnanadesikan was an Indian statistician, known for his work in multivariate data analysis and leadership in the field. He received his Ph.D. at the University of North Carolina and headed research groups in statistics at Bell Laboratories and Bellcore.
Annamalai Ramanathan was an Indian mathematician who worked in the field of algebraic geometry, who introduced the notion of Frobenius splitting of algebraic varieties in (Mehta & Ramanathan 1985). His contributions have led to the solution of many problems about Schubert varieties, such as the Demazure character formula.
Ramanathan College is a provincial school in Maruthanarmadam near Chunnakam, Sri Lanka.
The Ramanathan Academy of Fine Arts is a school of fine art and a division of the University of Jaffna in northern Sri Lanka.