Frederik Hansen may refer to:
Frederik Hansen (gymnast) (1896–1962), Danish gymnast at the 1920 Summer Olympics Frederik Hansen (wrestler) (1885–1981), Danish wrestler; see Wrestling at the 1912 Summer Olympics – Men's Greco-Roman lightweight Frederik Hansen (bishop) (*1979), Norwegian Catholic prelate, coadjutor bishop of Roman Catholic Diocese of Oslo
See also Frede Hansen (1897–1979), Danish gymnast at the 1920 Summer Olympics