D'Erlanger explained
D'Erlanger (a frankified form of a German name meaning "from Erlangen") may refer to:
- Frédéric Emile d'Erlanger (1832 - 1911), a German banker
- Emile Erlanger and Company, the bank he established
- Baron Emile Beaumont d'Erlanger (1866 - 1939), an Anglo-French banker and railroad tycoon
- Baron Frédéric Alfred d'Erlanger (1868 - 1943), an Anglo-French composer and banker
- Baron Rodolphe d'Erlanger (1872 - 1932), a French painter and musicologist
- D'erlanger, a Japanese rock band
