Ronnie Tay (born 2 October 1963) is a Singaporean civil servant and former two-star rear-admiral who served as Chief of Navy between 2003 and 2007. After leaving the Navy, Tay served as the chief executive officer of the Infocomm Development Authority of Singapore (IMDA) between 2007 and 2013, and the National Environment Agency between 2013 and 2018.