M. Radhakrishna Pillai (1911–1974) was an Indian politician and philanthropist who served as mayor of Madras city.
The Mayor Radhakrishnan Stadium in Chennai is named after him.
Following his graduation, Pillai worked as a junior under the lawyer, V. C. Gopalratnam.
[citation needed] Radhakrishna Pillai served as mayor of Madras city in 1944–45.
[citation needed] Radhakrishna Pillai stayed away from politics from 1962 to 1967 and re-emerged in 1969 as a supporter of Indira Gandhi against K. Kamaraj.