The name Cleombrotus ( ) may refer to: Cleombrotus (regent), uncle and regent of Spartan king Pleistarchus Cleombrotus I (d. 371 BC), king of Sparta from 380 to 371 BC Cleombrotus II, king of Sparta from 242 to 241 BC Cleombrotus of Ambracia, a character in Plato's Phaedo