Sangeetha Kalanidhi Maharajapuram Santhanam (December 3, 1928-June 24, 1992) was one of the great Carnatic music vocalists of the 20th century. He was born in Sirunangur, a village in the state of Tamil Nadu. He followed the footsteps of his father Maharajapuram Viswanatha Iyer who was also a Carnatic singer.
Besides studying with his father, he was also a disciple of Melattur Sama Dikshitar. Maharajapuram Santhanam was also a distinguished composer. He wrote many songs on Lord Murugan and Kanchi Shankaracharya, His Holiness Sri Chandrasekarendra Saraswati Swamigal (Maha Periyavar). He was the Principal of Ramanathan College in Sri Lanka.Later he came and settled in Chennai. The songs which were popularised by Maharajapuram Santhanam are,"Bho Shambo" (Revati), "Madhura Madhura" (Bagheshri), both composed by Swami Dayananda Saraswati, "Unnai Allal" (Kalyani Raga), "Sadha Nin Padhame gathi, Varam onnru" (Shanmukhapriya), "Srichakra Raja" (Ragamalika), "Nalinakaanthimathim" (Ragamalika),"Ksheerabdi kannike" (Ragamalika) among others. The Maharajapuram Santhanam Day is celebrated on the 3rd of December every year.
He died in a car accident on June 24, 1992. His sons Maharajapuram S. Srinivasan, Maharajapuram S. Ramachandran, and his primary disciple Dr. R. Ganesh are now carrying on his musical tradition.
His other most popular songs are Purandaradasa kritis: "Narayana ninna" (Shuddha Dhanyasi) and "Govinda ninna". His rendition of "Vilayada ithu nerama muruga" cannot be replicated by any other artiste. His renditions were full of Bhakthi.
In Chennai, Griffith Road in T.Nagar was renamed as 'Maharajapuram Santhanam Salai' in honor of Maharajapuram Santhanam, by Karunanidhi and Stalin. The street has the famous Krishna Gana Sabha and Muppathamman Temple.