Baron Lajos Simonyi de Barbács et Vitézvár (13 April 1824 – 12 December 1894) was a Hungarian politician, who served as Minister of Agriculture, Industry and Trade between 1875 and 1876. He studied law in Kassa. From 1847 he was a delegate on the Diet in Pest. He participated in the Hungarian Revolution of 1848, he performed courier service besides Artúr Görgey. As a result, he was imprisoned for a short time. Later he was a supporter of László Teleki. Simonyi retired from politics in 1878.

Lajos Simonyi
Minister of Agriculture, Industry and Trade of Hungary
In office 11 March 1875 – 21 August 1876
Preceded by	György Bartal
Succeeded by	Ágoston Trefort
Personal details
Born	(1824-04-13)13 April 1824 Ternopil, Austrian Empire
Died	12 December 1894(1894-12-12) (aged 70) Budapest, Austria-Hungary
Political party	Left Centre, Liberal Party
Profession	politician