Olga Novikov or Novikoff (1842-1925) was a Russian writer who was acquainted with Helena Petrovna Blavatsky and a friend of William T. Stead, according to her book Russian Memories, published in New York by E. F. Dutton & Co., in 1916.
- The M.P. for Russia at The Internet Archive.
- "Olga Novikoff" W. T. Stead (The Review of Reviews, vol. III, February, 1891) pp. 123–136
- As of 1973, her papers were stored in the Central State Archives in Moscow.