| Birth Name: | Bagyathammal Ramaiah Pillai |
| Birth Place: | Vazhuvoor, Tamil Nadu, India |
| Spouse: | Gnanasoundiram |
| Children: | 6, including Manikka Vinayagam |
| Occupation: | Bharathanatyam choreographer |
Vazhuvoor Ramaiah Pillai (1910–1991) was an Indian Bharatanatyam dance teacher and choreographer.
Vazhuvoor Bagyathammal Ramaiah Pillai was born in 1910 to Parthiban and Bagyathammal in Vazhuvoor. He learned the arts of Nattuvangam and Bharatanatyam from his maternal uncle Maanikka Nattuvanar.
He introduced innovative trials in Bharatanatyam. He advocated traditional vazhuvoor bani from his ancestors, dating to the days of the Chola dynasty. He popularized this bani around the globe, especially through his star disciple Kamala. He implemented Rama Natak Kiruti, Tyagaraya Swami Kiruti, Bharathiyar songs, Kutralak Kuravanji, Arunachala Kavi songs, and Oottukkadu Venkata Kavi songs through his teaching. During the time that the British had banned Bharathiyar's songs, Vazhuvoor made these songs performed by his students in stage plays, thereby encouraging the support of Indian Independence.
He married Gnanasoundiram (late). They had six children: daughter Jayalakshmi (late); son Natya Kala Samrat Vazhuvoor Samraj (late, a renowned dance master); son Manoharan (late); son Vazhuvoor.R.Gurunathan (late, banker/financial advisor); daughter Bagyalashmi (knowledgeable in classical dance); son Manikka Vinayagam (popular movie singer), in order of birth.
The following are the awards received by Vazhuvoorar: