Rudolf (or Rudolph) van Eecke (23 October 1886, Buitenzorg, Java – 24 December 1975, Leiden) was a Dutch entomologist.
He attended the gymnasium in Leiden. In 1912 he married Wilhelmina Henriëtte Petré then in 1927 Margaretha Emma Julia Hettyey. In 1916 (Leidsch Jaarboekje 1917) he became a conservator at the Rijksmuseum van Natuurlijke Historie now merged with Rijksmuseum van Geologie en Mineralogie as Naturalis, where he worked on Lepidoptera.