The name Caesar is a boy's name of Latin origin meaning "long-haired". Caesar and is often added to lists like Cool Boy Names From Ancient Cultures and discussed in our forums with posts like "Name Association Game".
From the experts:
Caesar, the name of the greatest Roman of them all, is rarely used outside Latino families, where the Cesar spelling is preferred--as in activist Chavez and Dog Whisperer Millan. Although Caesar meant "long-haired", it came to be the title to denote all Roman emperors and it is from the name Caesar that many other European royal titles are derived, including Kaiser and Tsar.
In antebellum America, Caesar became a common slave name, along with such other classical appellations as Cato and Octavius.