West Palm Beach, also known as West Palm, is the most populous city in Palm Beach County, Florida, USA. The city is also the oldest incorporated municipality in South Florida. According to the University of Florida's 2006 estimates, the city had a population of 107,617. West Palm has a much larger unincorporated population estimated at upwards of 250,000. The city's Urbanized Area has an estimated population of almost 1.3 million. West Palm's economy is currently ranked #4 in the Milken Institute Best Performing 296 U.S. Cities index.

It is the county seat of Palm Beach County , and one of the principal cities in the South Florida metropolitan area. The area is known as the West Palm Beach--Boca Raton--Boynton Beach MSA, which covers the entire Palm Beach County area. It is situated in the northernmost county of the South Florida metropolitan area. According to the 2006 Morgan Quinto Poll, West Palm Beach is the 14th most dangerous city in the United States.