Mark Walter (born 1960) is an American businessman and billionaire. He is CEO of Guggenheim Partners and TWG Global. He owns the Los Angeles Dodgers baseball team, Los Angeles Lakers basketball team, and Los Angeles Sparks women's basketball team. He owns part of the football clubs Chelsea F.C. and RC Strasbourg Alsace.
Walter graduated from Creighton University with an accounting degree and graduated from Northwestern University with a law degree.