Hubert Pál Álgyay was a Hungarian engineer and lecturer.

Álgyay finished his studies at the Budapest Technical University and became adjunct lecturer in bridge building in 1924. Also in that year he completed a doctoral thesis. In 1926 he began work for the Ministry of Transport and from 1934 was director of the bridge building department there. Later he became state secretary of transport. He designed the Petőfi Bridge

Petofi Bridge

Petőfi híd or Petőfi Bridge is a bridge in Budapest, connecting Pest and Buda across the Danube...

 in Budapest (1933–37) and also directed the widening of Margaret Bridge

Margaret Bridge

Margit híd or Margaret Bridge is a bridge in Budapest, Hungary, connecting Buda and Pest across the Danube. It is the second northernmost and second oldest public bridge in Budapest....

. He was president of the Capitol building council between 1935 and 1937. He taught at the Technical University from 1937, becoming head lecturer in bridge building. His technical writing was also significant.