Eugenio de Bellard Pietri (born (1927-12-17)December 17, 1927 in Maracaibo, Venezuela, died on August 31, 2000(2000-08-31) (aged 72) in Caracas) was a noted speleologist.
He was the founder of speleology in Venezuela and a member of the Academy of Sciences and Letters of Venezuela, Vice-President of the Venezuelan Society of Natural Sciences and Director of its Speleological groups since 1952 when he founded this section.
He was also a member of several Speleological and Conservation societies such as the French Federation of Speleology, the Explorers Club and the National Speleological Society (USA).