Umayalpuram Kasiviswanatha Sivaraman (born 17 December 1935) is an Indian musician and exponent of the Carnatic percussion instrument, the mridangam.

Umayalpuram Sivaraman was born to P. Kasiviswanatha Iyer, a doctor, and his wife, Kamalambal.

He had been appointed ‘State Artiste’ of the Government of Tamil Nadu from 1981 for a period of six years.

[2] He was awarded the Padma Vibhushan, India's second highest civilian honor, on the occasion of the country's 61st Republic Day observance on 26 January 2010.

[3] He received honorary doctorates from University of Kerala in 2010[4] and Gandhigram Rural Institute in 2022.