Friedrich Adler

Friedrich Adler may refer to:


 * Friedrich Adler (architect) (1827–1908), German architect and archaeologist
 * Friedrich Adler (writer) (1857–1938), Czech-Austrian politician
 * Friedrich Adler (artist) (1878–1942), German artist and designer, murdered in Auschwitz
 * Friedrich Adler (politician) (1879–1960), Austrian revolutionary politician, son of Viktor Adler