Ardo Rennik (26 June 1947 – 14 February 2009) was an Estonian figure skater and coach.[1]
He was born in Tallinn. In 1970 he graduated from Lesgaft National State University of Physical Education, Sport and Health.[1]
He started his skating exercising in 1955, coached by Ly Piir. In 1964 he won Estonian Championships in pair skating (with Julia Pavina-Rennik). 1973–1978 he has won 6 Russian SFSR Championships (with Julia Pavina-Rennik).[1]