The First World Hotel in the hill resort of Genting Highlands near here boasts of as many as 7,351 rooms and the three-star hotel had previously won the same recognition for eight years from 2006 to 2013.
It regained its title this year following the opening of a new block.
Resorts World Genting senior vice president in hotel operations Edward Holloway said the recognition was a symbol of innovation excellence for the hill resort that would further enhance Malaysia's tourism industry.