Zachar is both a given name and a surname of Jewish origin. Notable people with the name include:
Zachar Šybieka (born 1948), Belarusian historian Imre Zachár (1890–1954), Hungarian water polo player Jacob Zachar (born 1986), American actor Ján Zachar (born 1936), Slovak football coach Karol Zachar (1918–2003), Slovak director
See also Zachara, surname