Zajíc (meaning 'hare') is a Czech surname. Notable people with the surname include:
Jan Zajíc (1950–1969), Czech student and political protester Tomáš Zajíc (born 1996), Czech footballer William Zajíc of Valdek and Židlochovice (died 1420), Czech nobleman Zbyněk Zajíc of Hazmburk (1376–1411), Czech nobleman
Fictional characters Senior lecturer Zajíc from 1969 Czechoslovak film Šest černých dívek aneb Proč zmizel Zajíc See also
10626 Zajíc, minor planet Dolora Zajick (born 1952), American opera singer