David Dermer (born 1963) is an American lawyer, politician, and community leader in Florida. He served as a Miami Beach City Commissioner before being elected Mayor of Miami Beach, continuing a family tradition of public service—his father, Jay Dermer, also served as mayor of Miami Beach. A lifelong Democrat, Dermer notably supported Republican George W. Bush in the 2004 presidential election, reflecting his occasional divergence from party lines. Professionally, he practiced law after graduating from law school, joining the 17th Judicial Circuit and founding his own firm, David Dermer Law, in 1990. His legal career focused on Miami-Dade County, aligning with his political involvement in local governance. As a community leader, Dermer has been associated with Jewish organizations in Florida, reflecting his background and family ties. He is the father of Ron Dermer, a prominent Israeli diplomat who served as Israel's ambassador to the United States and currently serves as Minister of Strategic Affairs under Prime Minister Benjamin Netanyahu since 2022.