Goparaju Ramachandra Lavanam, known popularly as G. Lavanam or Lavanam, was an Indian social reformer and Gandhian. He worked to remove untouchability in Indian society. He was an atheist and co-founded the Samskar institution with his wife Hemalatha Lavanam. Chennupati Vidya and G. Samaram are his siblings.

Goparaju Ramachandra Rao, popularly known as Gora, was an Indian social reformer, atheist activist and a participant in the Indian independence movement. He authored many books on atheism and proposed atheism as self-confidence. He propagated positive atheism by his articles, speeches, books and his social work. He is the founder of Atheist Centre along with his wife Saraswathi Gora and a few volunteers. Social reformer G. Lavanam, politician Chennupati Vidya, and physician G. Samaram are his children.