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

Topics referred to by the same term

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