• Adi Shankaracharya (788-820 CE): A philosopher and theologian who consolidated the Advaita Vedanta tradition.
• Ramanuja (1017-1137 CE): A Vaishnava saint who developed the Vishishtadvaita philosophy.
• Chaitanya Mahaprabhu (1486-1534 CE): A Bengali saint who founded the Gaudiya Vaishnavism movement.
• Sri Aurobindo (1872-1950 CE): A philosopher, yogi, and poet who developed the Integral Yoga philosophy.
• Ramakrishna Paramahamsa (1836-1886 CE): A Bengali saint who emphasized the unity of all religions.
• Swami Vivekananda (1863-1902 CE): A disciple of Ramakrishna and a key figure in the Indian independence movement.
• Sai Baba of Shirdi (1835-1918 CE): A saint revered by both Hindus and Muslims for his spiritual teachings.

Other notable mentions

• Bhagavan Nityananda (1897-1961 CE): A Siddha Yogi who founded the Shanti Mandir.
• Swami Chinmayananda (1916-1993 CE): A Vedanta teacher who founded the Chinmaya Mission.
• Sri Sathya Sai Baba (1926-2011 CE): A saint and spiritual leader who founded the Sathya Sai Organization.