Ladislaus (from 1906 Freiherr) Hengelmüller von Hengervár (Hungarian: hengervári báró Hengelmüller László) (2 May 1845 – 22 April 1917) was an Austro-Hungarian diplomat of Hungarian origin who was a long-term Ambassador at Washington D.C. throughout many Presidential administrations including those of William McKinley Theodore Roosevelt and William Taft.
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active years end date
1889-07-30, 1893-05-07, 1913-01-07
active years start date
1887-02-21, 1891-03-04, 1894-10-11
birth date
1845-05-02
birth place
Austria-Hungary, Budapest, Pest Hungary
death date
1917-04-22
death place
Austria-Hungary, Opatija
order in office
Austro-Hungarian Ambassador to the United States, Austro-Hungarian Minister to Serbia, Austro-Hungarian Minister to Brazil