Christophel Panini Illangakoon (Sinhala: ක්රිස්ටෝෆෙල් පනිනි ඉල්ලන්ගකූන්) (10 November 1919 – 10 February 1989) was a Sri Lankan politician. He was a member of parliament from Weligama in Matara and a first cousin of S. W. R. D. Bandaranaike, former Prime Minister of Ceylon.