Count Lajos Széchényi de Sárvár-Felsővidék (German: Ludwig Graf Széchényi von Sárvár und Felsövidék; 28 March 1868 – 14 April 1919) was a Hungarian diplomat of Austria-Hungary serving as envoy to Bulgaria and the Netherlands during World War I.
[citation needed] Count Széchényi entered the Austro-Hungarian foreign service in 1892 and served subsequently in Brussels, Washington D.C., Rome, St. Petersburg and London.
In 1909, Count Széchényi was selected to lead the diplomatic agency in Cairo with the title of Consul-General and remained in charge until the outbreak of war in 1914 when it was dissolved.
However, he was transferred to The Hague already in January the following year to make place in Sofia for Count Otto von Czernin, the younger brother of the Imperial Foreign Minister Count Ottokar von Czernin, and remained there until the end of the war, being accredited also to Luxembourg.
After having lost much of his estates after the war, Count Széchényi died at Kaltenleutgeben on 14 April 1919 at the early age of 51.