Narayana Guru, IPA: [n̪ɐːɾɐːjɐɳɐ guɾu], (20 August 1856 – 20 September 1928) was a philosopher, spiritual leader and social reformer in India.

He led a reform movement against the injustice in the caste-ridden society of Kerala in order to promote spiritual enlightenment and social equality.