R. Krishnan

R. Krishnan may refer to:


 * R. Krishnan (director) (1909–1997), Indian film director, of the duo Krishnan–Panju
 * R. Krishnan (politician), Indian politician
 * R. S. Krishnan (1911–1999), Indian physicist
 * Ramanathan Krishnan (born 1937), Indian tennis player
 * Ramesh Krishnan (born 1961), Indian tennis player